backscattering thickness gage是什么意思

用法例句

Topology optimization of tunnel support using reverse evolutionary structural optimization method;

用反向渐进结构优化方法研究洞室支护优化

The span of reverse cumulation and the generated spaces;

反向累加生成及其生成空间

Objective To study left lung inverse circulation (LLIC) reversing pulmonary hypertension(PH ) in canines.

目的探讨左肺反向循环 (LLIC)逆转肺动脉高压的机制。

In this paper,inverse Steffensen s inequality is given and two extensions of it s is proved.

给出了反向Steffensen不等式及其推广形

A definition of accumulated generating operation in opposite direction is posed in this paper corresponding to traditional accumulated generating operation, gives a grey model GOM(1,1), provides a new generating method to grey modeling.

相对于传统的累加生成提出了反向累加生成的定义 ,给出了灰色 GOM(1,1)模型 ,为灰色建模提供了新的生成方

Investigation of inverse deformation in laser shock forming with half die;

激光半模冲击成形中板料反向变形现象研究

Taking the front floor as an example, mainly introduced the hoisting wedge driver installed in active pressing material core and making use of reverse wedge driver to form the up flanging structure.

以某车型前地板为例,重点介绍了吊装斜楔驱动器安装在活动压料芯上的结构和利用反向斜楔完成向上翻边的结构。