But evolution also requires repeated replication and mutation to generate the variation upon which selection works to give adaptive solutions.
但是进化还需要反复复制和突变产生赖以选择的变异，从而给予适应性解决方案。
The material selection was purposely limited and repeated throughout the home extending from inside to outside providing a harmonious overall 'look and feel' to the architecture and design.
材料的选择是有目的有限和重复用于整个住宅内外，提供了一个和谐的整体的。
First, it is a selection type designing of steel-cored belt conveyor, this part of program let computer finish large quantity of repeated calculating, proofing, checking table and selecting and so on.
首先对钢绳芯带式输送机进行选型设计，使大量重复的计算、校核、查表、选型等繁杂的工作用计算机来完成。
Each selection was repeated twice, one with each cable set.
每一个选择是重复了两次，一次与每个电缆设置。
The repeated mining face layout, equipment selection and extraction technology with cataclastic roof had been designed.
对碎裂顶板复采工作面布置、设备选型和回采工艺等进行了设计。
Mainly as follows, drugs and dosage, solvent selection, compatibility of drugs, pharmacological antagonism as well as combination therapy, repeated drug use and other aspects.
主要表现为药物用法与用量、溶媒选择、配伍用药、药理拮抗以及联合用药、重复用药等几个方面。
Strain ZG-24, with high D-xylose reductase activity, was obtained by UV repeated mutation and selection with high xylose concentration plate.
以此为出发菌株，通过UV重复诱变，并结合高糖平板分离，得到木糖还原酶活力较高的较佳诱变株ZG - 24。
Strain ZG-24, with high D-xylose reductase activity, was obtained by UV repeated mutation and selection with high xylose concentration plate.
以此为出发菌株，通过UV重复诱变，并结合高糖平板分离，得到木糖还原酶活力较高的较佳诱变株ZG - 24。
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