hour angle

美 　英

• na.【天】時(shí)角
• 網(wǎng)絡(luò)時(shí)間的時(shí)角；天體地方時(shí)角；天體時(shí)角

英漢解釋

na.	1. 【天】時(shí)角

英英解釋

n.	1. the angle, measured positively westward, between the plane containing the observer and the Earth's poles and the plane containing a specific astronomical object and the Earth's poles

例句

Greenwich hour angle true sun

格林尼治真太陽(yáng)時(shí)角

basic increment of hour angle

時(shí)角基本變量

Greenwich hour angle mean sun

格林尼治平太陽(yáng)時(shí)角

hour angle system of coordinate

時(shí)角坐標(biāo)系

method by hour angle of Polaris

北極星任意時(shí)角法

hour angle of apparent sun

視太陽(yáng)時(shí)角

local hour angle of aries

春分點(diǎn)的地方時(shí)角

local hour angle of mean sun

平太陽(yáng)地方時(shí)角

local hour angle of true sun

真太陽(yáng)地方時(shí)角

hour angle of mean sun

平太陽(yáng)時(shí)角

hour angle of true sun

真太陽(yáng)時(shí)角