1) simple pit pair
单孔孔对
2) single borehole
单孔
1.
A least square solution, which is to determine the state of the three dimensional stress in the crust with the date measured by the single borehole deformation method , has been worked out.
给出根据单孔变形的实测结果计算三维地应力状态的最小二乘法，设计并通过实验系统研究了能够测量三维地应力的压磁全应力计，最后通过野外实测检验说明该应力计测量结果是可靠的。
2.
Some new formulas of determining aquifer parameter have been derived from recovery data of steady pumping test in a single borehole by using the principle of superposition of potential function, including coeffcient of transmissibility ( T) 、 coefficient of permeability ( K )、 coeffcient of storage ( S ) and specific yield ( μ ).
将抽水试验水位恢复过程看成是抽水和等量注水两个相反过程的叠加 ,并根据势函数叠加原理 ,从理论上导出了利用单孔稳定抽水试验水位恢复资料求解含水层参数的新公式 ,包括导水系数(T)、渗透系数 (K )、贮水系数 (S)及重力给水系数 ( μ)等。
3) single hole blasting of once each time point
单孔单响
4) single span
单孔,单跨
5) hole nearby
就近对孔
6) relative aperture
相对孔径
1.
Objective lens of beam expander with a high-order curved surface can correct aberration for a deep relative aperture lens.
带有高次曲面的扩束器物镜能对大相对孔径的透镜校正像差。
2.
This paper gives a discussion of the definition of relative aperture of photographic object glass.
本文对照相物镜相对孔径的定义、光圈数、像面照度、像面曝光量以及它们之间的关系进行了讨论。
