The housing shortage in the Western Cape adds to tension between Coloureds ( mixed - raceSouth Africans ) and blacks.在西开普地区,住房紧缺增强了有色 ( 混合种族的南非人 ) 和黑人之间的紧张状态.North Africans make up the largest and poorest immigrant group...
The adventitious root is triarch, and has the secondary structure.不定根为三原型, 具次生结构.Stem erect or floating, elongate, 5 - angled, nodes often with adventitious roots.茎直立或漂浮, 拉长, 5具角, 节通常具不定根的.It required more than 15 to ind...
他会看到我不是那么容易被替代的。He would see I was not so easily replaceable.实践经验是无法替代的。There is no substitute for practical experience.它们是独一无二、不可替代的无价之宝。They are priceless, unique and irreplaceable....
海水中盐的含量是多少?What is the concentration of salt in sea water?无机碱盐水溶液的饱和点通常随着温度和浓度的升高而降低,这将造成皂化剂中盐的析出,形成坚固的水垢.This causes the salt to drop out of solution, with net effect being a harden scale.本文简单地介绍了减少制革过程中盐污染的几种方法.Thus , ...