Unfortunately, this process usually contains deviation and error, and consumes a great deal of time, and the expense is very high.
不幸的是，这一过程常常有偏差和误差，并且耗时、费用高。
Application of this standard made it possible to recognize any deviation as an error or mistake and make a step to a higher level of the standard.
通过标准的应用，我们能够以误差或错误的形式区分所有的不同之处，然后，建立更高水平的标准。
Using trigeminy tripod method weakens instrument center deviation and target partiality error, thereby improve wire goniometry and ranging accuracy.
运用三联脚架法减弱仪器对中误差和目标偏心误差，从而提高导线测角和测距精度。
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