姿态传感器能够改正或消除船载仪器由于船体的垂荡、横摇和纵摇引起的测量误差，大大提高测量精度。
It can enhance the measuring accuracy by correcting offset from heave, roll, and pitch of vessel.
不同台基和仪器放大倍数的差别，通过加等效台站校正值来改正(见表1)。
The corrections are needed for different site conditions and magnification of seismograph through the application of the equivalent station correction value for site conditions (see table 1).
针对目前还不能从仪器的构造上自动消除折光影响，提出了一种求解大气折光改正系数的新思路。
In view of the status quo, the author takes the lead in putting forward a method that can evaluate the atmosphere vertical refraction.
光电测距仪（含全站仪）的加常数是仪器测量结果的改正项目，是仪器检定项目非常重要的一项。
The additive constant of the electro-optical distancemeasuring instrument and the total station instrument are the correction of the survey results using these instruments.
摘要：在天文经度测量中，由观测员及其所用仪器引起的误差称为人仪差，在一、二等天文测量中必须加入此项改正。
The error derived from the observer and his instruments in surveying astronomical longitude is called the person and instrumental equation, which must be corrected in the first and second degrees.
摘要：在天文经度测量中，由观测员及其所用仪器引起的误差称为人仪差，在一、二等天文测量中必须加入此项改正。
The error derived from the observer and his instruments in surveying astronomical longitude is called the person and instrumental equation, which must be corrected in the first and second degrees.
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