Crushed bones make one of the best fertilizers.骨粉是最佳肥料之一.Losses of Ca and Mg are accelerated by fertilizers which supply nitrate, sulphate and chloride.在施用硝酸盐 、 硫酸盐和氯化物的情况下会加速钙和镁的损失.inorganic fertilizers无机肥料Also, the ant...
Paying rent simply helps to line the pockets of landlords. It's far better to put your money into bricks and mortar of your own...租房子只会鼓了房东的腰包，自己投资买房要合算得多。Some landlords , unable or unwilling to pay higher wages , t...
日冕连续区基本上是经向偏振.The continuum of the corona is essentially radially polarized.日冕总是不断地获得能量和损失能量.The corona gains and loses energy continuously.仔细研究细节后,我们发现日冕有精细结构.Looking at small details we find that the corona has a delic...