为摸清西昌市生猪旋毛虫感染的强度和分布情况，我们对从我市4个定点屠宰场采集的生猪血清和膈肌进行检验。
For investigating Xichang pigs trichina infection condition, we examined the muscle and serum from 4 specifying slaughter house in Xichang.
因此，澄清和简化了许多 BIPxxxx 产品消息。
To this end many of the BIPxxxx product messages have been clarified and simplified.
以下案例是绘图工具的模糊不清和建模工具的准确的对比示例。
The following cases are examples of the ambiguity of a drawing tool versus the precision of a modeling tool.
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