perennity

perennity

1. Under natural condition, the invasive plants formed superiority community easily, so it had a bigger potention of harmful effect to Lolium perenn.

在自然条件下，外来入侵杂草容易形成单一优势种落，对多年生黑麦草草坪具有较大的危害潜力。

2. Quality and safety are not only those of the product itself, but most of all the coherence, the reliability and the perennity of all the supply chain!

我们所说的质量和安全不仅指的是产品本身,还包括整个供应链的一致性、可靠性和长期性。