twoshotn.双镜头拍摄(双人特写镜头)twonum.二；两个two-panel screen frame双扉屏风架two dimensional topology二维布局two-phase coherent PSK二相相干, 相移键控two-dimensional filter二维滤色器two-column hay stacker双立柱巷道式堆垛机two-plus-one address二加一地址two hundred herbs liquid二百味草花液two-dimensional stress两响应力two compartment analysis双区(间)分布two-phase flow pattern两相流流型

1. The difference in longitude between two positions as a result of a movement to the west.
   经度差因为向西的运动而产生的两个位置之间的经度上的差别