This thesis overview the systemic toxic effects of lead, including the toxic effects on nervous system, cardiovascular system, urinary system, reproductive system and the development.
本文主要介绍了铅对各个系统如神经系统、心血管系统、泌尿系统、生殖系统以及个体发育的毒性效应。
Program index Planning ideas Project Overview Highlights resources Visual effects Reception Planning p...
策划思路，项目概述，接待规划，资源亮点，视觉效果等内容。
This overview summarizes the effects of sown grass or organism mulching on orchard soil water, nutrients, air, temperature, microbes and enzymes.
综述了生草或生草后刈割覆盖园地对果园土壤水、肥、气、热、土壤微生物、土壤酶等肥力因子的影响。
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