论述用基准尺和全站仪进行轧机滚筒轴线检测和计算的高精度工业测量方法。
The precision industry surveying for test and calculation of the roller axis using total station and standard rule is discussed.
泛太平洋运价稳定协议组织的燃油附加费，一项船运公司在海上货物运输方面所使用的基准燃料额外收费，其每40英尺集装箱所相当的货物单位的费用已经从2007年1月的455美元上涨到1130美元。
The Transpacific Stabilization Agreement bunker charge, a benchmark fuel surcharge imposed by shipping firms on sea freight, has risen from $455 per 40-foot equivalent unit in January 2007 to $1,130.
由于光栅干涉测量系统以光栅栅距作为测量基准，相对于传统干涉仪，光栅尺系统受环境因素造成的测量误差影响较小。
Because the measurement standard of grating system is grating pitch, compared to usual interferometer, diffractive grating, system reduces environment influence on measurement accuracy.
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