对照组囊包完整，虫体光滑。
The larvae from the control groups were integral and smooth outside.
方法：镜下观察旋毛虫幼虫卷曲状态，用测微尺随机测量囊包长、宽。
Methods: the coiled shapes of Trichinella isolated ML were observed under microscopes, then the lengths and widths of ML encystment (encysted index) were measured at random by micrometer.
以微囊包封率、粒径和形态为评价指标，通过正交设计确定克拉霉素微囊的最佳制备工艺。
Using Orthogonal Design Method to optimize the preparation technique by using encapsulation rate, particle size and shape as evaluating index.
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