The uses and synthetic methods on 2,4 - Dichloro - 5 - Fluoro - benzoic acid were described in detail.简要概述了2,4-二氯-5-氟苯甲酸的用途及其合成方法.Use: Intermediate in the manufacture of fluoro - containing pesticides and medicines.用途: 合...
Not his ascendency alone, however , held me in thrall at present.目前束缚着我们,并不只是他的支配地位.To sutdy the ascendency of different methods in obstuctive jaundice.目的:分析梗阻性黄疸的各种影像学检查方法优势.We use ascendency as a goal function or indic...
It remained an exceptionally rare book until it was reprinted in 1918.在1918年再版之前，这本书一直非常罕见。The merchandise is reasonably priced and offers exceptionally good value.这些商品定价合理，很是划算。He's an exceptionally talented dancer...
A few minutes later, the head - warder assembled the guards and warders in his office.几分钟后, 看守长把警卫和看守叫到他的办公室.There was no point in having a permanent enemy among the warders.在狱吏中树敌是毫无道理的.In general we treated the warders...
万寿山石颐和园的中心,从山顶可以俯瞰全景.Longevity Hill is the focal point of the Summer Palace.这块寿山石的章料太贵重了,我根本买不起.This piece of serpentine for making seals is too expensive for me to afford.寿山石最大特徵是色泽浓艳, 质纯细,感觉腻 、 糯 、 柔.Shoushan Stone dis...