三等的
- 与 三等的 相关的网络例句 [注：此内容来源于网络，仅供参考]
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It is introduced that with two total station instruments after transforming to set up the station arbitrarily,the deduction for formula and the calculation for error are made to evaluate the differences in elevation with the subtending measurement of trigonometric leveling .
介绍了用两台改造后的全站仪任意置站的方法进行三角高程对向测量求取高差的公式推导和误差计算，论述了用三角高程测量代替二、三等水准测量的可行方法，测量时不必量取仪器高、目标高，减少了三角高程的误差来源，加快了施测速度。
- 推荐网络例句
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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.
每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。
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Maybe they'll disappear into a pothole.
也许他们将在壶穴里消失
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But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.
但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。