生物数据库 biological database ; Bio-database
生物数学 [生物] [数] Biomathematics ; [生物] [数] Biological Mathematics ; mathematical biology ; Biology and Mathematics
货物数量证明书 certificate of quantity
海洋植物数量锐减 Ocean Plant Life in Decline
食物数量金字塔 Pyramid of numbers
生物数据 bio-data ; biological data
货物数量 quantity of goods ; Cargo Quantity
有机化合物数据库 organic compounds database
生物数学学报 Journal of Biomathematics
生物数学和生物信息学 Biomathematics and Bioinformatics
第三部分是讲对一物数卖不足的救济和解决。
The third part is on the remedies and resolution of the question of thing sold for times.
考察了聚合条件对共聚物数均分子量和醋酸乙酯(VA)质量分数的影响。
Effects of polymerization conditions on the copolymer molecular weight and VA weight content were studied.
结果表明核磁共振内标法求聚氧丙烯甘油醚类化合物数均分子量快速，方便，准确。
The results show that It is a high speed, convenient and accurate method as compared with end-group analytical method.
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