These maps can be created dynamically with the appropriate TTL template based on the application and data requirements.
这些映射可基于应用程序和数据要求通过适当的TTL模板动态创建。
The DNS entry for the application and its associated TTL must be managed carefully.
应用程序的DNS条目及其关联ttl必须小心管理。
TTL can be used in just about every shooting situation including shooting in your camera's manual mode, outdoors, and even when using bounce techniques.
TTL可以用在绝大多数情况下，包括相机手动模式、户外，甚至跳灯时。
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