right ascension of true sun是什么意思

网络释义

用法例句

3977,then,the match relations between sunrise and sunset hour angles will not alter with the solar declination.

若坡面的坡向β和纬度φ满足条件|sinβcosφ|≥sin23°26,′则坡面日出日没时角的配置关系不随太阳赤纬的变化而变化;反之,则存在两个绝对值相等、符号相反的一般临界赤纬δc,以-δc、δc为界,坡面日出日没时角的配置关系具有三种不同的形式。

Match Relations Between Sunrise and Sunset Hour Angles of Slope Surfaces and Solar Declination

坡面日出日没时角的配置关系与太阳赤纬

latitude by sun's maximum altitude

太阳最大高度求纬度

celestial paralle

赤纬平行圈赤纬圈、赤纬平行圈

All planes perpendicularto the solar axis intersect the solar sphere along circles of latitude.

所有垂直于太阳轴的平面和太阳球面相交成纬度圈。

of summer nights in northern latitudes where the sun barely sets.

指在北纬地区太阳几乎要落下来的夏夜。

No sullen tropic sun shall wither

没有酷热的赤道太阳能够枯死

The corona is thickest at the Sun's equator.

光环带在太阳的赤道区最厚。

The little boy was sunbathing on the beach in his bithday suit.

这个小男孩赤条条地躺在海滩上晒太阳。

(astronomy) the equinoctial point that lies in the constellation of Virgo.

黄道与天赤道相交的一点，自此太阳向南运动。

(astronomy) the equinoctial point that lies in the constellation of Pisces.

黄道与天赤道相交的一点，太阳向北移动。

Relationship between change of solar radiation and red tide in East China Sea in last 60 years

东海海面太阳辐射近60a的变化与赤潮的关系

"The earliest instrument for determining latitude was the quadrant, which measured the altitude of the polestar or the noonday sun."

早期测定纬度的仪器是象限仪,测量北极星或正午太阳的高度。

THE INFLUENCE OF SOLAR CORPUS UPON THE DURATION OF LARGE-SCALE WEATHER PROCESS OF EURASIA DURING THE WINTER HALF-YEAR

太阳活动对冬半年中高纬度欧亚范围内长期天气过程长度的影响

The Discovery of Yuan Tong's Weidu Taiyang Tongjing:with a Discussion on the Original Version of Bei Lin's Huihui Lifa

元统《纬度太阳通径》的发现——兼论贝琳《回回历法》的原刻本

Relating to or being latitudes nearest to the equator.

（纬度）低的纬度接近赤道的，或与之有关的

Saturn, the second-biggest planet in the solar system with an equatorial diameter of 74,000 miles and the sixth from the sun, is about 746 million miles from Earth.

土星第二,在太阳系最大行星的赤道直径74,000公里,从太阳第六、距地球约746亿英里.

the great circle representing the apparent annual path of the sun; the plane of the Earth's orbit around the sun; makes an angle of about 23 degrees with the equator.

在地球上看到的太阳运行的轨道；地球绕着太阳转的平面；与赤道平面大致成度角。

a theoretical sun that moves along the celestial equator at a constant speed and completes its annual course in the same amount of time the real sun takes at variable speeds.

理论中以不变的速度在天赤道上和真正的太阳以变速在同时间内完成每年行程的太阳。