concave

美 [kɑn?ke?v] 　英 [?k?nke?v]

• n.凹
• adj.凹的；凹面的
• v.把…弄成凹(面)
• 網(wǎng)絡(luò)凸；凹形；凹曲線

反義詞

英漢雙解

英漢解釋

英英解釋

例句

the top of the plastic hat is provided with a ball-shaped concave position, where a press plate and a forcing screw are installed in.

塑制帽的頂部塑有球形凹進(jìn)處、并可安裝壓板和壓緊螺釘。

The head has a well-developed but compaction of the sarcoma, eyes and mouth within a concave in the sarcoma.

頭部有著發(fā)達(dá)而又緊實(shí)的肉瘤，眼睛和嘴凹在肉瘤內(nèi)。

Take out a piece of A in A letters along the diagonal nail row, by a concave-convex feeling.

拿出一張A在A的字母上順著斜線用指甲一劃，就由凹凸感了。

The time of purchase can be overturned bottom of the pot, pan with your fingers to withstand concave center, with a hard object percussion.

在購買時可以推翻底部的鍋，鍋用手指承受凹中心，用硬物敲擊。

It may be flat, concave, and convex or any one of a great variety of shapes to promote turbulence or help control combustion.

其表面可能為平面、凹面、凸面或任何一種形狀，其能促進(jìn)氣缸內(nèi)渦流運(yùn)動或有助控制燃燒。

At least one loop of absorption blind hole is evenly distributed around the segmental concave cavity along the radial direction of plane.

徑向面上沿圓缺凹腔周圍均勻分布不少于一圈的吸收盲孔；

typing, curling, concave design make brush head keep closer to eyes and make it easy to apply mascara onto tiny eyelashes on eye corner.

強(qiáng)效定型，卷翹，凹面刷頭更加貼合眼部輪廓，更易于眼角細(xì)小睫毛的涂抹；

The bottom of the body designed no concave nest. So have lower flowing resistance and prevent valves leakage or damage from trash pipe up.

閥體底部設(shè)計無凹槽，球閥因此具有流阻小，閥體防止污物堆積造成閥門滲漏或損壞等特點(diǎn)。

A percussion instrument consisting of a concave brass plate that makes a loud clashing tone when hit with a drumstick or when used in pairs.

鈸一種打擊樂器，由一個凹銅片構(gòu)成，當(dāng)用單個或者雙個鼓槌敲擊時，可發(fā)出高的撞擊聲

In this paper, we investigate the natural boundary element method for an anisotropic problem in an infinite domain with a concave angle.

本文研究無窮凹角區(qū)域上一類各向異性問題的自然邊界元法。

and a concave portion provided on a lower surface of the hood ridge at a location close to the suspension support member.

以及凹部，其設(shè)置在所述隆起罩的位于靠近所述懸架支撐構(gòu)件的位置處的下表面上。

The invention provides a method with a concave lens focus as a welding heat source and a welding device thereof.

本發(fā)明提供一種以凸透鏡焦點(diǎn)為焊接熱源的方法及其焊接裝置。

First, the team placed two concave mirrors 1 micrometre apart, and filled the lens-shaped cavity between them with a red liquid dye.

首先，實(shí)驗(yàn)小組放置了兩面相距一微米的凹鏡并向其間透鏡狀的中空部分填充一種紅色液體染料。

The velocity, acceleration and time of a particle sliding down along a horizontally free concave surface are discussed.

對于一個質(zhì)點(diǎn)從可自由移動的光滑的凹曲面上滑下的速度、加速度和時間作了一般性討論，建立了相應(yīng)的公式。

The lower end surfaces of the supporting parts are provided with a plurality of hollow grooves which are arranged in a concave way.

該支撐部的下部端面上設(shè)有若干凹設(shè)的透空槽。

this function is a concave nonlinear function, which decreases faster at the beginning than in the last stage.

這一函數(shù)是非線性的凹函數(shù)，它起初的下降趨勢比在最后階段更加急劇。

The utility model discloses a health-care blanket, comprising a concave surface and a convex surface arranged at intervals in a lump shape.

本實(shí)用新型公開了一種保健毯，包括凹面和凸面，凹面和凸面呈方塊狀間隔排列設(shè)置。

Results A great deal erythrocytes with inequality electron density were atypically like concave disk in natural solidification group.

結(jié)果自然凝固組大量紅細(xì)胞表現(xiàn)為非典型雙凹圓盤狀，電子密度不均；

A concave part is positioned in the center at the bottom of the teapot so as to save energy and settle water scale.

壺底的中央是凹陷部分也能幫助節(jié)能和水垢沉淀。

This blade has a gentle, sloping convex curve to the point versus the concave curve of the clip blade.

相對于回形刀刃的凹曲線而言，這種刀刃具有一條延伸到刀尖的、溫和的凸斜率曲線。

This method can also be applied to significantly increasing the machining efficiency of the root area of a concave or a convex surface.

該方法可廣泛應(yīng)用于利用環(huán)面刀具高效加工復(fù)雜型腔底部或凸臺底部邊緣工藝中。

and a lock body, a pin is inserted into a concave channel on the connecting rod.

和一鎖體，其中該聯(lián)結(jié)桿上設(shè)有的一銷插設(shè)于該鎖上的一凹槽中。

By numerical simulation of a six-tooth rectangle spline, the optimized half-angle of the concave die can be got.

結(jié)合六齒矩形花鍵軸實(shí)際成形情況進(jìn)行模擬計算，獲得了入模半錐角的較佳取值范圍。

and the terahertz wave detector is positioned on the light path behind the concave mirror and is used for receiving scanning signals.

太赫茲波探測器，位于凹面鏡后的光路上，接收掃描信號。

The water tank is fitted with an explosive that, when detonated, shoots the water through a small concave opening.

水罐裝有爆炸物，在引爆時通過一個小的凹形開口噴射出水來。

In an embodiment, the system comprises a closed or concave outer wall about a closed or concave inner wall.

在一個實(shí)施方式中，該系統(tǒng)包括位于封閉或凹形的內(nèi)壁周圍的封閉或凹形的外壁。

A grizzly has more of a shoulder hump, and a more concave face profile.

灰熊背上的隆起更多，臉也更凹一些；

and a fifth lens with a negative power, including a concave surface facing the image side.

以及第五透鏡，具有負(fù)的折射力且使凹面朝向像側(cè)。

The convex or at least not concave shank contour ( 17 ) merges continuously with the likewise convex contour of the needle cheek ( 7 ).

該凸起或該至少非凹入的針桿輪廓（17）連續(xù)變化地并入同樣的針槽壁（7）的凸起輪廓。

A joint, such as the elbow, in which a convex part of one bone fits into a concave part of another, allowing motion in only one plane.

屈戌關(guān)節(jié)，絞鏈關(guān)節(jié)：屈戌關(guān)節(jié)（如肘），一塊骨的凸出部分與另一塊骨的凹進(jìn)部分吻合，可以允許在一個水平面中運(yùn)動。

A concave bend of a handrail where a sharp change in level or direction occurs , as at a stair landing .

彎子欄桿的凹彎，此處有急驟的高度或方向變化，如在。

Temple of Hera before the concave mirror on the sun shining, it's a signal this will be a successful ignition ceremony.

赫拉神廟前的凹面鏡上，陽光耀眼，預(yù)示著這將是一個圓滿的點(diǎn)火儀式。

and the steam rack and the steam layer form a concave space for placing a stewing pot, a yoghurt cup or other foods.

蒸架和蒸層共同構(gòu)成一可以放置燉盅、酸奶杯或者其它食物的內(nèi)凹空間。

Just AS a double convex lens enlarges, so a double concave lens reduces.

正象雙凸透鏡可以放大那樣，雙凹透鏡也可以縮小。

Resonator cavity of thin disk laser is designed, using plane-concave cavity to make it work stably and obtain large fundamental mode volume.

對薄片激光器的諧振腔進(jìn)行了設(shè)計，采用平凹腔的結(jié)構(gòu)，并使其在穩(wěn)區(qū)工作并有較大的基模體積。

The line of intersection, inward concave and shallow area of curved surface are the difficult points in curved surface machining.

曲面交線、面內(nèi)凹區(qū)域及曲面中淺平面的加工是曲面加工中的難點(diǎn)。

Observers judged the magnitude of a concave dihedral angle translating or rotating against a planar background.

觀察判斷的幅度凹二面角翻譯或對平面旋轉(zhuǎn)背景。

The luminous diode is arranged at the top of the projection, and situated at the focal point of the concave cup structure.

以及發(fā)光二極管設(shè)置于該支撐底座的頂端，并且該發(fā)光二極管位于該凹杯結(jié)構(gòu)的焦點(diǎn)。

The vase is actually made of two parabolic concave mirrors .

花瓶其實(shí)是由兩個拋物面凹鏡組成。

A molding for a cornice, having a partly concave and partly convex curve in profile, used especially in classical architecture.

反曲線飾縱斷面部分為凹線，部分為凸形的檐口的線腳，尤用在古典建筑中