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- Optical active ethyl 4-cloro-(R)-3-hydroxybutyrate was prepared by stereo selective bioreduction of ethyl 4-chloro-acetoacetate with baker's yeast. 以4 氯乙酰乙酸乙酯为原料,以面包酵母为手性生物催化剂,选择性合成光学活性4 氯 (R) 3 羟基丁酸乙酯。
- This programme is being broadcast in stereo. 这一节目正用立体声播出。
- This program is being broadcast in stereo. 这个节目正用立体声播放。
- We're being deafened by next door's stereo. 隔壁的立体声音响要把我们耳朵震聋。
- Who originated the concept of stereo sound? 立体声是谁发明的?
- Father bought her a stereo radio. 父亲给他买了只立体声收音机。
- Most farmer have a stereo type hayseed image. 大部分农民都有一副固定的乡巴佬形象。
- This is no time to lash out on a new stereo. 现在不是奢侈花钱买新立体音响的时候。
- 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。
- Listening to a good stereo system always freaks me out. 我一听到好的立体声音乐就乐不可支。
- She helped to select a dress for Ruth. 她帮着给露丝选了一件衣裳。
- Listening to a good stereo system always freak me out. 我一听到好的立体声音乐就乐不可支。
- 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。
- Left a$100 deposit toward the purchase of a stereo system. 为了买一套立体声系统,留下了100美元的订金
- Can student willfully select the course? 学生可以随意选择课程吗?
- Keywords Titanocene catalyst;Atactic polybutene 1;Stereo selectivity; 单茂钛催化剂;无规聚丁烯-1;立体选择性;
- 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。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries