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- The Principle to Select Protection Relay for Motor 如何选择电动机保护继电器
- In this thesis, the reaction such as tritylation, p-tosylation, chlorization and acetylation were used in the selective protection of the hydroxyls of carbohydrate. 本论文通过三苯甲基化反应、对甲基苯磺酰化反应、氯代反应及乙酰化反应研究了糖中羟基的选择性保护,同时还研究了糖番的合成及甲壳素的降解反应。
- A few protection types for VCB operation over-voltage are analyzed and compared, and some suggestions for selecting protection types in engineering design are given. 分析比较了在高压厂用电系统中保护真空断路器操作过电压的几种方式,提出在工程设计中采用何种保护方式的建议。
- That shop has a fine selection of cakes. 那家商店有各种精美的糕点供我们选择。
- That store has a good selection of furniture. 那家店有很多家具可供挑选。
- The selection was weighted against me. 那次选拔对我不利55。
- She helped to select a dress for Ruth. 她帮着给露丝选了一件衣裳。
- A three-digit selection in a numbers game. 三位数抽彩数字游戏中的3位数选择游戏
- She only stays at select hotels. 她只住一流旅馆。
- Can student willfully select the course? 学生可以随意选择课程吗?
- A select group were invited to the wedding reception. 一群经过挑选的人士被邀请参加婚宴。
- The Selective Protection of Dihydric Alcohol in Organic Synthesis 有机合成中二元醇的选择性单官能团保护
- Selective protection for low voltage distributing system 低压配电系统中的选择性保护
- Select the drive in which you want to store the document. 选择想把文件存储在其中的驱动器。
- Our shops select only the very best quality produce. 我们商店都是精选的质量最高的产品。
- Keywords cytidine;long chain of RNA;selecting protection;synthesis; 胞苷;RNA长链;选择性保护;合成;
- In making the selection we passed this short piece by quite inadvertently. 在挑选时我们完全出自疏忽而漏过了这篇短文。
- This is a very select area; you have to be rich to live here. 这是高级住宅区,你必须有钱才能住在这里。
- In the end she made a selection which he cordially approved. 最后她挑了一个,对此他衷心赞成。
- It took her a long time to make the selection of this dress. 挑选这件连衣裙花了她很长的时间。