In horticultural applications, perlite is used throughout the world as a component of soilless growing mixes where it provides aeration and optimum moisture retention for superior plant growth.
在园艺应用，珍珠岩是用来作为在世界各地的一个组成部分无土混合增长，提供最佳的通风和湿度保持优势植物生长。
This paper considers the classification compression principal component estimate of regression coefficient in growth curve model and proves that it is superior to least squares estimate.
研究岭型主成分估计在降维估计类中的方差最优性，证明了它的方差阵在降维估计类中最小，方差阵的特征值最小，方差和及方差积最小。
In the competitive adsorption of a dual component system, the adsorption of dye is superior to phenol, meanwhile the adsorbed quantity of phenol is less than that for its single component system.
在双组分竞争吸附中，阳离子嫩黄染料的吸附占明显优势，而苯酚的吸附量则比在单组分系统时要小。
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