Some polypide surface membrane and food vacuole membrane showed multilayer thread-like change.

有些虫体表、食物泡多层螺纹样改变。

The coating wall paper that chooses at this moment should have very good scrab resistance and multilayer enclothe a gender.

这时选择的涂料墙纸要有很好的耐擦洗性和多层覆盖性。

With convolution integral, a new formulation for describing the relation of soft X-ray reflectivity of multilayer with the different energy Monochromaticity of incident light is deduced.

利用数学卷积积,理论上推导出一个在入射光同单色性下精确计算多层反射率的公式。

The paper introduces single "U" groove welding procedure for stainless steel inner cylinder of multilayer high pressure vessel,opening up a new method for welding clading stainless steel vessel.

要详细介绍了内商钢的多层高压容器外U形坡口的单面焊接工艺，从而钢复合容器的焊接开辟了一条新途径。