也许我们应该特别注意保护这类植物，因为它们缺乏关键的因素来抵御由使用杀虫剂而造成的环境破坏。
Perhaps we should give special attention to the conservation of such plant species since they lack key factors in their defenses against the environmental disruption caused by pesticide use.
软岩巷道的变形破坏由多种原因造成，受软岩自身强度较低、采动压力、地下水、支护方式、支护质量等综合性因素影响。
The deformed destruction of soft rock is led by many reasons, such as the low intensity itself, the exploiting press, underground water, support and the quality of support etc.
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