... 条件概率密度函数 conditional probability density function 条件观测 conditioned observation 条件观测值 conditioned observation ...
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本文介绍了三角网按方向条件观测平差的电算程序中，应用极坐标条件式的新方法。
In the adjustment program of triangulation net by directional condition observation, to apply the formulas of polar coordinate condition is a new way.
在比较理想的条件下，每小时10——20颗流星雨可以看到；但是专家们说观测条件变化比较大。
Between 10 and 20 meteors per hour can be visible under ideal conditions; but experts say the shower is fickle.
尽管在2000年至2009年观测到的结果正好相反，但却有助于研究人员进一步了解植物在持续变化的气候条件下是如何生长的。
Regardless, the observed decrease in plant growth between 2000 and 2009 helps researchers better understand how plants might respond to a changing climate.
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