Under the instruction of metabolic control theory, the screening of leucine auxotroph was determined as the method of selecting the mutant strain of low-yield fusel oil.

The occurrence of the auxotroph was about 1.65%.

营养缺陷型出现率为1.65%。

Study on the Auxotroph of Wood Ear Fungi-Auricularia

黑木耳与毛木耳营养缺陷型诱变研究木制耳环，不含其他材料

Breeding of keratinase-producing strain by fusion of non-auxotroph protoplast

非营养缺陷型原生质体融合选育角蛋白酶生产菌

Study on directional breeding of aminophenol auxotroph cider yeast mutant

定向选育氨基酸营养缺陷型苹果酒酵母突变株的研究

Two main select markers were auxotroph and drug resistance.

筛选标记主要有营养缺陷型、药物抗性标记；

Loose shirts are good for summer wear.

夏季适合穿肥大的衬衣.

Finally the Contractor's liability does not cover normal wear and tear or deterioration.

最后,承包方责任不包括产品正常的磨损、破裂或退化.

So, there's a normal wear and tear that our repair teams take care of.

因此, 有正常的磨损,由我们的维修队伍来维护.

It forms a membrane that provides an effective barrier against normal wear and tear.

涂装后成膜,可有效抗撕裂,兼具耐磨功能.

Normal wear-Cover taped-good usable book!

正常磨损盖录音,良好的实用的书!

Whether a man is wise or not usually lies upon his way of doing things. One peculiar avenue to success is to avail oneself of others' resources.

一个人有无智慧，往往体现在做事的方法上。借用别人的智慧助己成功，也是一条成功之道。

One peculiar avenue to success is to avail oneself of others'resources.

借用别人的智慧助己成功，也是一条成功之道。

The ammonia or ammonium caused the surface embrittlement of copper alloys during corrosive wear.

氨或铵离子对铜合金腐蚀磨损的加速作用与腐蚀磨损过程中的氨致脆性有关.

The linear relationship, with different slopes between corrosive wear and loads was confirmed.

结果表明载荷与腐蚀磨损间仍然存在线性关系.

The authors also expound the future direction and developing tendency of corrosive wear testing apparatus.

讨论了研制腐蚀磨损试验机的发展趋势.

The old lubricant should, therefore be cleaned off periodically to prevent abrasive wear.

为防止齿轮遭受磨损起见,应定期将旧复合剂加以清除.

In the same time, abrasive wear is the major failure reason in mining machines.

在矿山机械中,磨粒磨损(它包括冲蚀磨损 、 磨料磨损和微动磨损)是其磨损失效的主要原因.

The main wear mechanisms are oxidation wear, adhesive wear, and abrasive wear.

主要磨损机制为氧化磨损 、 粘着磨损和磨粒磨损.

It is a basic skill for undergraduates to manage that know media, choose media, contact media, constantly increase our own understanding and judging ability toward media and cultivate independent thinking ability and the ability of availing ourself of media.

认识媒介、选择媒介、接触媒介，不断提高自身对媒介信息的解读能力和批判能力、培养自身的独立思考能力和利用媒介的能力，成为大学生必须掌握的一项基本技能。

According to the importance, design principle, economic benefits and other aspects of non-handicap environment design in public architecture, author considers that creating non-handicap environment by availing of modern science and cooperation of multi-subjects is obligation of architects.

通过对公共建筑无障碍环境设计的重要性、设计原则、经济效益等方面的阐述，认为运用现代科学条件和多学科的协作，创造适宜的无障碍环境是当代建筑师的责任和使命。