目的：分析调强放疗的偶然误差及其在临床中的应用。
OBJECTIVE: To study the random error and its clinical application in analyzing intensity modulated radiation therapy (IMRT).
本文对插值的误差进行了分析，提出了减小偶然误差的插值方法。
In this paper, an analysis for the errors of the interpolation and aninterpolation method for reducing random error are given.
本文对如何避免过失误差，控制好偶然误差以提高风洞不同期试验精度提出了一些建议。
How to avoid mistaken error and control accidental error and some suggestions to advance the testing precision of the windtunnel in different period are presented in the paper.
偶然误差，有时出现在这个方向，有时又出现在另一个方向，并且因其特有的性质而不可预测。
Accidental errors act sometimes in one and sometimes in another direction and by their very nature can't be predicted.
主要分析了工程测量教学中误差基本概念的应用，描述了偶然误差和闭合差等概念，举出了教学中的一些例子。
The paper analyses the teaching of Engineering Survey, describes the basic concepts of error including the definitions of accident error and closure, and finally provides examples for teaching.
主要分析了工程测量教学中误差基本概念的应用，描述了偶然误差和闭合差等概念，举出了教学中的一些例子。
The paper analyses the teaching of Engineering Survey, describes the basic concepts of error including the definitions of accident error and closure, and finally provides examples for teaching.
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