又称赤经圈。通过天体和天球的南、北天极的半个大圆。它与地面上的经度圈相对应。
时圈 [shí quān]
网络释义专业释义
... 赤纬度盘 赤纬圈 declinationcircle 赤纬圈，时圈 circle of declination 赤纬平行圈 parallel of declination ; circle of equal declination ...
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双语例句原声例句
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她在第二圈时领先。
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我跑完第26圈时，保时捷车喷起了蓝色的烟雾。
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跑第二圈时，沃克已领先其他赛跑者两米。
By lap two Walker was two metres clear of the rest of the runners.
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We notice that the value of E at r naught is negative, as it should be. It's a negative number.
我们主要到在r圈时E的值为负，和它本来的值一致，是一个负数。
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dE/dr=0 We take dE by dr equals zero at r equals r naught.
当r等于r圈时。
应用推荐
$firstVoiceSent
- 来自原声例句