尽管EDC快反背包能适用于多种情况，但你并不一定会需要它所提供的所有模块的功能。
Although it can be useful in many situations, you might not need all the modularity the FAST Pack EDC has to offer.
当然因为情况多种多样，不可能有一种固定方法能适用于所有的情况。一般需要多种技术进行组合以取得最好的曝光。
There is no fixed recipe in approaching metering in all kinds of situations. It's a mix-n-match of different techniques - all used to make sure I get optimum exposure for my images.
机会网络的组建适用于实际环境中的大量场合，可以为用户机会性地提供多种需要的服务。
Opportunistic networks could be built up in many cases in physical environment to opportunistically provide many kinds of service required by users.
机会网络的组建适用于实际环境中的大量场合，可以为用户机会性地提供多种需要的服务。
Opportunistic networks could be built up in many cases in physical environment to opportunistically provide many kinds of service required by users.
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