火药是由硫 、 碳和硝酸钾组成.Gunpowder is composed of sulfur, carbon, and potassium nitrate.氨对硝酸钾的选择分离结晶效果较好.And ammonia had effective selectivity for the separation of potassium nitrate.用氯化钾与硝酸铵为原料,采用复分解法生产农用硝酸钾与氯化铵.Agricultural pot...
The daffodil belongs to the genus Narcissus.黄水仙是水仙属植物.Perennial border such as daffodil, daisy, lily, phlox, iris, etc.栽种多年生植物(如水仙花 、 雏菊 、 百合 、 福禄考 、 蝴蝶花等)的条形绿化带.The flower was something in the mature of a daffodil.这种花有点...
Computes the arcsine ( in radians ) of the specified argument.计算指定参数的反正弦 ( 按弧度 ).Returns the arcsine of a number.返回数字的反正弦值.Expression to compute the arcsine of ( float ).要计算反正弦的表达式 ( 浮点小数型 )....