electronic display visibility 电子显示能见度
To display visibility on the class diagram, you place the visibility mark in front of the attribute's or operation's name.
为了在类图上的显示可见性,放置可见性标志于属性或操作的名字之前。
In other words, it's best to set a layer's visibility to display only the layers you want to.
换言之,只显示你想要看见的图层。
Warning display: autonomous, Zhangjiajie, Changde, Yiyang, Huaihua, Loudi and parts of the northern areas of dense fog will last 2-3 hours, low visibility, please pay attention to prevention.
预警显示:自治州,张家界,常德,益阳,娄底及怀化北部部分地区出现的浓雾将持续2到3小时,能见度较低,请注意防范。
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