perennial ryegrass

常见例句

The turnover of lamina tissue of perennial ryegrass was systematically studied through cutting experiment by the application of the theory and methods of the tissue turnover.
本研究应用组织转化的理论和方法，通过周割试验对多年生黑麦草叶片组织的转化进行较为深入的研究。
As a turf type seed base for perennial ryegrass production, the irrigation area of Ningxia Plain was available, because of its rich sunshine and lower rainfall during seed formation.
而且，由于种子成熟期日照充足，降雨量低，故宁夏引黄灌区作为我国草坪型多年生黑麦草种子生产基地是完全可行的。
As one would expect, the science of maintaining Wimbledon's courts has been subject to rigorous research - the current formula is 100% Perennial Ryegrass, cut to a height of exactly 8mm.
正如人们料想的一样，温网草地的维护和保养，离不开科学力量的相助。目前，温网草地是100%纯种的黑麦草，而且草的高度都统一是8毫米。