back-up source的意思|示意

Hair lights up like crazy when it's back-lit, so if hair is a big part of your subject make it stand out by placing your subject between you and a light source.

当背光的时候头发会发亮，因此，如果头发是你的重要组成部分的主题，把你的主题摆放在你和光源之间将它突出。

(You can also embed the three final lines of the script in a loop, dynamically change SOURCE, and back up a series of separate directories on the same system.) Here's how the backup works.

(还可以把脚本的最后三行嵌入一个循环，动态地修改SOURCE，从而备份同一系统上的一系列目录)。

The project was saved when the computer switched to an emergency 10-minute back-up power source.

项目在计算机切换到一个可维持十分钟的紧急电源后被挽救了。

Jackson, their source alleged, had decided to build Bridges with McCartney by drawing up a new will that left him his share of the Beatles' back catalogue.

该报消息人士宣称，杰克逊曾决定修复和麦卡尼的关系，准备草拟一份新遗嘱，把他甲壳虫乐队备份目录的版权份额留给麦卡尼。

With the files in one location, you can back up to tape, disk, or copy the contents to another machine without having to reorganize the source files.

如果文件位于同一个位置，那么您可以将其备份到磁带、磁盘，或将这些内容复制到另一台计算机，而无需对源文件进行重新组织。

The system is heavily reliant on the availability of sunlight, and for critical tasks or areas a back-up artificial light source is required.

此系统对阳光有很强的依赖性，对于一些极端的工程或地区，需备有备用人工光源。