Animal and vegetable pests spread with extreme rapidity.动植物疫害传播极快.The water rushed through the holes with great rapidity.湍急的水流奔涌过洞口。The film shows the rapidity of the changes in this area of medicine.这部电影展示了这一医学领域里的迅速变化。...
Augustus instituted boards of curators to take charge of administrative tasks.奥古斯都曾设立保佐人委员会负责行政事务.This exhibition has invited Ji Qixin , Liu Jiakun, Li Xiaoshan as curators.展览邀请矶崎新、刘家琨、许江 、 李小山担任策展人.There were several co...
Obvious examples are potentiometers and tachogenerators to monitor the posit ion and speed of a shaft.反映转轴位置和速度的电位器与测速发电机是我们最熟悉的传感器的例子.The tracking precision is got by measuring the far - field facula posit.通过测量回馈光远场光斑的位...
Antioxidant tertiary butyl hydroquinone was prepared by hydroquinone and tertiary butyl alcohol.由对苯二酚与叔丁醇反应制得抗氧化剂叔丁基对苯二酚.They were good catalyst for synthesis of n - butyl cinnamate.它们是催化合成肉桂酸正丁酯的良好催化剂.A method of synthe...