皮肤基底细胞basal cells of the skin一线性空间的每一基底包含同样数目的向量.Every basis of a linear space contains the same number of vectors.铀矿物也见于科姆波尔吉建造的基底层位中.Uranium minerals also occur in the basal beds of the kombolgie formation....
描述两个功率电平比值的单位.A unit that describes the ratio of two power levels.要使计数器正常工作,正向和逆向控制输入电平必须始终相反.For proper operation the forward and reverse direction - control inputs must always be complementary.如旁瓣电平过大,很多科研工作者都在设法解决这些问题...
They make compost out of all kinds of waste.他们用各种废料制造堆肥。Cut down and compost spent cucumbers, tomatoes and other crops.将已收获过的黄瓜、西红柿和其他作物的秧蔓割下，制成堆肥。In May, mulch the bed with garden compost.五月，在苗圃里施上肥。...