...个具体的经济鱼类种群来说, 选择性捕捞最重要的 是针对鱼类体长的大小来进行(庄兴福等, 1993),这称为尺寸选择性(Size selection), 本文中所提到的选 择性也主要指尺寸选择性。
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Bearing size selection 轴承尺寸选择
grain-size selection 粒径选择
Audit Sample Size & Selection 评审抽样量与样本抽取
Glove size selection 手套尺码选择
Sample Spot Size Selection 试样光子尺寸选择
pipe size selection 管径选择
block-size selection 块尺寸选择
paper size selection 用纸尺寸选择
The product is manufactured by using dead-burnt magnesia . other basic materials and binder through good grain size selection.
选用优质重烧镁砂及其它碱性复合材料，经合理的粒度级配与结合剂、添加剂混合而成。
Filler size is usually 1.5 times or 2 times the gabion mesh size selection and also to be able to use other information such as bricks, abandoned concrete.
所填料的巨细通常是格宾网孔巨细的1.5倍或2倍选择，也能够用其他资料如砖块、抛弃的混凝土等。
The design of the main tasks are: identification ammonia Section cycle centrifugal compressor structure, the main structure size, and identify key zero, parts of the structure and size selection.
本次设计的主要工作包括：确定合成氨工段循环离心压缩机的结构形式、主体结构尺寸，并确定主要零、部件的结构尺寸及其选型。
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