Viron的用法

Yet according to Chen Nengchang, of the independent Guangdong Institute of Eco-environmental and Soil Sciences, the survey was imprecise as it relied on soil sampling rather than detailing the worst-polluted sites.

然而，据独立的广东省生态环境与土壤研究所（Guangdong Institute of Eco-environmental and Soil Sciences）的陈能场介绍，那次调查不准确，因为它依赖于土壤取样，而不是详细排查污染最严重的地点。

Viron was 23 nm in diameter and without envelope under electron microscope.

电镜正染观察病毒为无囊膜、球形、大小约23nm的病毒粒子.

Submit description file commands use $ ENV ( EnvironmentVariableName ) to reference the value of an environment variable.

提交描述文件命令使用$ENV ( EnvironmentVariableName )引用环境变量的值.