Aluminium and other metals are normally badly corroded by alkalis.铝和其他金属通常会被碱严重腐蚀.Acids neutralize alkalis and vice versa.酸能使碱中和,碱亦能使酸中和.Weak alkalis ionize partly ( ionize ) in water to give hydroxide ion.弱碱 在水中部份电离,放出氢...
不变性指的是一致的部分.Invariance refers to areas of agreement.相对论涉及两个似乎对立的概念, 相对性和不变性.The theory of relativity is concerned with two seemingly opposite ideas, relativity and invariance.我们迟早要问:这个定律是否经得起相对论不变性的检验?Sooner or later we ...
The River Rhine rises in Switzerland.莱茵河发源于瑞士.the inflationary effects of price rises物价上涨引起的通货膨胀The price rises will be cushioned by welfare benefits...社会福利将缓解价格上涨带来的负面影响。The rises are the result of a comparability study...
The pendulum - torque type of erector is extensively employed on gyro verticals.陀螺垂直器上广泛地采用由摆和力矩马达组成的修正装置.The torque of the couple is intimately associated with a couple.力偶矩与力偶密切相关.Equipped with electronic control torque...