随意地;

Finds the difference between two sets, optionally retaining duplicates.
查找两个集合之间不同的项, 可以选择保留重复项.
来源:互联网摘选Items except the main unit and the connection box are optionally available.
除主机和连接盒以外的各项是选购件.
来源:互联网摘选Arranges the members of a set, optionally preserving or breaking the hierarchy.
排列集合的成员, 可以选择保留或打破层次结构.
来源:互联网摘选This topic explains only how to find and optionally replace wildcard characters.
本主题仅说明如何查找并有选择地替换通配符.
来源:互联网摘选A petrol engine also with Euro III emission standard is optionally available.
凌特还可以选装同样达到欧III排放标准的汽油发动机.
来源:互联网摘选Optionally, the purified diisobutylene may be hydrogenated to isooctane hydrogenation catalyst.
任选的是, 可用加氢催化剂将纯化的二聚异丁烯加氢生成异辛烷.
来源:互联网摘选Optionally, select operators to be notified about the status of the job.
或者, 选择将被通报作业状态的操作员.
来源:互联网摘选An automatic feeding equipment can be added optionally to improve work efficiency.
另外可以加装自动送料装置提高工作效率.
来源:互联网摘选
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