Because of the compact design of flip chips and CSP on PCB, acoustic micro imaging has become extremely important for inspecting these packages.
由于在印制电路板上的倒装芯片和CSP器件的紧凑设计，声音微图像己经成为检测这些封装的非常重要的一部分。
However, because the size of specimen in processing are extremely small, the law in micro plastic forming technology is different from macro plastic forming.
由于加工对象尺寸微小，微塑性成形技术存在不同于宏观成形的规律。
Micro-fractures distribution in extremely lower permeable sandstone reservoirs of Yanchang Formation and its geologic significance, Ordos Basin, Northwest China;
对于研究低渗透、特低渗透砂岩储集层微裂缝分布规律，渗透率异常频率分析法是有意义的。
Micro-fractures distribution in extremely lower permeable sandstone reservoirs of Yanchang Formation and its geologic significance, Ordos Basin, Northwest China;
对于研究低渗透、特低渗透砂岩储集层微裂缝分布规律，渗透率异常频率分析法是有意义的。
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