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- The synthesis of 2 amino 4 methylamino 6 chloro 1,3,5 triazine by amination and methylamination from cyanuric chloride in one reaction system was described. 研究了在同一反应器中由三聚氯氰经氨化、甲胺基化合成2氨基4甲胺基6氯三嗪的方法。
- The synthesis of 2 amino 4 methylamino 6 chloro 1,3,5 triazine by amination and methylamination from cyanuric chloride in one reaction system was described. The results showed that the yield was 93%. 研究了在同一反应器中由三聚氯氰经氨化、甲胺基化合成2氨基4甲胺基6氯三嗪的方法。确定其优惠反应条件,产品收率可高达93%25。
- If you subtract 3 from 5, you get 2. 五减去三就得二。
- These fish vary in weight from 3 lb to 5 lb. 这些鱼的重量从3磅到5磅不等。
- Can you count backwards from 5? Yes, 5, 4, 3, 2, 1. 你能从5倒着数吗?可以，。
- The firm owed$5,000 and sent us$3,000 on account. 该公司欠我们5,000美元，暂付3,000美元。
- Is the match on at 2 pm or 3 pm? 比赛是下午2时还是3时开始?
- If you subtract 3 from 5,you get 2. 五减去三就得二。
- Size 5 5 1 6 0 2 sq km. 3 0 0 0 km long coastline. 面积551602平方千米。
- SYNC 2) NOTE 3) TEMPO 4) DELAY 5) FREQ. 以下五个参数与节拍同步有关.
- Prepare for dropoff...Countdown, 5, 4, 3, 2, 1. 准备跳伞...倒计时：5，4，3，2，1。
- There are four primes less than 10: 2, 3, 5, and 7. 有四个小于10的素数：2、3、5和7。
- The farmer paid 3 laborers to gather the crop. 农场主雇佣3名工人收割庄稼。
- Add up 3, 4 and 5 and you'll get 12. 把三,四,五相加,总数是十二。
- He lives 3 miles away from here. 他住在距离这里三英里的地方。
- I'm tied up in a meeting until 3 pm. 我开会直到下午三点钟方可脱身。
- Mr. and Mrs. Jones have 3 daughters. 仲斯夫妇有三个女儿。
- The beam has a thickness of 3 inches. 这根梁厚3英寸。
- The government hopes to hold salary increase to 3%. 政府希望将工次增长率控制在3%25。
- The horse racing is to be held at 3 p.m. tomorrow. 赛马比赛将于明天下午3点举行。
