When birding in remote locations, be alert and aware of other potentially aggressive and dangerous wildlife, such as bears, moose, wolves, coyotes or mountain lions.
当你到偏远的地方观鸟的时候，要警醒并随时小心其它可能有进攻性的危险野兽，比如熊、麋鹿、狼、郊狼和美洲狮。
If the valid function returns false for any of the two parameters, the remote call is canceled and an alert message is shown.
如果对于两个参数中的任何一个参数，valid函数返回false，那么取消远程调用，并显示一条警告消息。
Furthermore, technological requirements based on production must be satisfied, such as remote transmission, automatic recording, alert.
还必须满足生产工艺提出的要求，如是否需要远传、自动记录、报警等。
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