Three kinds of parasporal crystals of bipyramidal , cubical and embedded shapes were observed under an electronmicroscope 建立了一个利用电转化技术构建遗传改良工程菌的新模式。 3
3.
Icps have various forms ( bipyramidal , cuboidal , flate rhomboid , or a composite with two or more crystal types ) Icp有各种各样的晶形，如双金字塔形，扁菱形，或兼有两种或两种以上的晶体形状。
