base density [感光] 片基密度 ; 基本密度
earth base density 土基密度
High-density Tungsten-base Alloy 高比重钨基合金产品
base fog density 片基灰雾密度
base-line density method 基线密度法
This paper has described the measure principles, the calibration method, the application test and data analysis of the nuclear-earth-base-density-moisture-gauge of type NDH-A.
本文阐述了ndh—a型核子土基密度、含水量联合测定仪的测量原理、标定方法、使用试验及测试数据的分析。
The density of white shingles is greatest towards the top of the climbing tower, suggestive of snow, while grey and brown shingles surround the base.
白色瓦片的密度在攀岩塔的顶部是最大的，象征着雪，而灰色和棕色的瓦片环绕在底部。
The density of holes in the base is less than the density of free electrons in the emitter and collector .
基极中空穴的密度小于发射极和集电极中自由电子的密度。
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