There was round microcolony with black center and transparent periphery generated on SS agar plate.

在 SS 琼脂平板上形成中间黑色、周透明的圆形小菌落。

The arctic tundra is at the top of the world around the North Pole.

北极冻原是指北极点周的区，是世界最高的。

A great quantity of soluble inorganic salt can force the surrounding soil seriously become salinization and alkalinization.

量可溶性无机盐会加剧周土壤的盐碱化。

The general theme of the conference is Multiaspect Studies on the History of Science, Technology and Medicine in China .

在主题之外，会也接受任何涉及中或其周区的科学、技术及医学的论文和讨论。

Suitable parameters of perimeter blasting were obtained with good results.In the final, the paper discussed the blasting mechanism of the frozen soil and the blastin...

通过试验获得了较好效果下周的适宜参数,并对冻土的机理和对冻结管的影响问题进行了探讨。

In the analysis a 2 dimension element is combined with the boundary punition element(spring element) to calculate stress distribution at the periphery of a tunnel.

通过2维元与界罚单元（弹簧元）耦合分析，可计算出开巷初期巷道周应力的分布。