resistance scale的意思|示意

But with time past, the resistance of pest to the pyrethroid is found to develop quickly as well as its extension application scale.

目前的研究表明尽管使用拟除虫菊酯防制昆虫见效快，但其对昆虫产生抗性的速度也快。

But there could be resistance to policies which actually cost a lot of money, such as the support of offshore wind on a massive scale.

不过，需要花费巨资的政策可能会遭遇阻力，比如大规模开发海上风能。

PVC-U plastic pipe has the character of corrosion resistance, no-scale, light weight and long service life.

塑料管具有耐腐蚀、不结垢、质量轻、使用寿命长等特点。

The most commonly used for large scale integrated circuit of the time relay into, it is to use resistance to achieve delay action let principle.

目前最常用的为大规模集成电路型成的时间继电器，它是利用阻容原理来实现延时动作。

The resistance test, the regular wave test and the irregular wave test of a larger scale model are carried out.

进行了较大尺度模型的静水阻力试验、规则波试验和不规则波试验。

Erosion and scale deposit in partial pipelines made more on-way resistance.

还有部分管线由于腐蚀结垢，沿程阻力增大。