polar cap

polar cap

美 　英

• na.【天】極冠
• 網絡極帽；極卡；極冰帽

英漢解釋

na.

1. 【天】極冠

英英解釋

n.	1. the area around either the North Pole or South Pole that is permanently covered in ice 2. either of the two polar regions on Mars that are permanently covered with frozen carbon dioxide and water

例句

As often seen through an astronomical telescope eyepiece, the planet's orientation is inverted, with Mars' north polar cap at the bottom.

由于往往是通過天文望遠鏡的目鏡拍攝，火星的方向是顛倒的，行星的北極冠在下面。

Melt-Proof The south polar cap is mostly frozen carbon dioxide, which shrinks during the summer but never disappears.

南極蓋上有很多凍結的碳氧化合物，這些東西在夏天會收縮，但從來沒有消失過。

This year, Shanshan's dad was a pilot on flights over the Polar Cap.

今年，姍姍的爸爸成為了飛兩極冰帽的航班上的飛行員。

Every winter, Mars's polar cap is sheathed in a thin blanket of carbon dioxide.

每到冬季，火星的極冠被一層薄薄的二氧化碳覆蓋。

An inexplicable new broad region of auroral light has been photographed at Saturn's polar cap.

一種無法解釋的大范圍新型極光出現在土星的極蓋地區，被攝像機拍攝下來。

Zuber and her colleagues also analyzed Mars's much larger northern polar cap.

尤伯和她的同事也分析了火星上要大得多的北部極地冰冠。

The disappearance of polar cap will greatly affect polar bears and other halobios .

冰帽的融化會給北極熊等海洋生物造成嚴峻后果。

At night the electron density is very low when the station situates at the polar cap area.

夜間進入極差區后，電子密度則很低。

Ionospheric patch formation: Direct measurements of the origin of a polar cap patch

電離層小塊結構：一個極冠小塊起源的直接測量

Are we about to get an ice-free Arctic? Disturbing pictures by NASA show the polar cap is shrinking in mass by around 15% per decade

我們是不是將看到一個無冰的北極呢？從NASA發布的煩人圖片上看，極地冰蓋正以每十年縮小約15%的速度銳減

Estimating drift velocity of polar cap patches with all-sky airglow imager at Resolute Bay, Canada

加拿大Resolute海灣估算帶有全天氣侯輝圖象極地云帽小塊的漂移速度

Polar cap index comparisons with AMIE cross polar cap potential, electric field, and polar cap area

用交叉極冠潛能、電場和極冠區域與極冠指數比較