And if a predator can move on to another species that is easier to find when a prey species becomes rare, the switch allows the original prey to recover.
当一种猎物变得稀有时，如果捕猎者能够转向其他更容易找到的物种，这种转变可以让原来的猎物数量得到恢复。
If you want to go to bed at 10:30 pm, you might set a timed dimmer switch at 10 pm.
如果想晚上10点半睡觉，你可以在晚上十点设置一个定时渐暗开关。
It can switch a balanced stereo output.
它可以切换一个平衡的立体声输出。
To browse through categories you need to "switch a channel" like you would do it in your radio set.
你需要“调节频道”来浏览不同的类别就像是你在收音机上做的一样。
The three-pole switch was originally used to switch a voltmeter guard along with the signal lines.
三刀开关最早用于切换伏特计保护及信号线路。
Switch A does not have the MAC address of Router Y and will therefore flood the frame out its ports.
交换器A因为没有路由器Y的MAC位址，所以会将这个讯框从所有的埠泛流出去。
A solution administrator might configure a route mediation to allow her to switch a service provider offline.
解决方案管理员可以配置一个route中介来允许其将某个服务提供者切换到脱机状态。
When a target service is invoked, the system can switch a synchronous invocation into an asynchronous one if the target service has asynchronous implementation.
当调用目标服务时，如果目标服务拥有异步实现，则系统可以将同步调用切换到异步调用。
In order to switch a user on a trusted connection, the application must first call xa_end (TM_SUCCESS) and specify the new user ID and optional password by calling SQLSetConnectAttr.
为了切换一个受信任连接上的用户，应用程序必须首先调用xa_end (TM_SUCCESS)，并通过调用SQLSetConnectAttr指定新的用户ID和可选的密码。
While this might not be an issue most of the time (since there are few breaking changes between the.net Framework versions 1.0 and 1.1), at some point you may need to switch a project back.
虽然这在大多数时候可能不会成为问题(因为在. NET框架1.0版和1.1版之间几乎没有什么破坏性的更改)，但在某些时刻你可能需要将项目转换回去。
Zimmer reached down on his console and flipped a toggle switch.
齐默把手伸到控制台上并按下了切换开关。
Rather than crowd your screen with new shortcuts, you can switch to a new desktop by clicking on the taskbar at the bottom of the screen.
与其把整个屏幕摆满新的快捷键，倒不如按一下屏幕底部的任务栏，切换到新桌面上。
As I have been writing and talking about space flight for the best part of 20 years, a sudden switch of interest to the depth of the sea doer seem peculiar.
在20年的绝大部分时间里，我一直在撰写和谈论太空飞行，突然对深海探险者的兴趣发生了转变，这似乎有些奇怪。
When our brains switch between being focused and unfocused on a task, they tend to be more efficient.
当我们的大脑在专注和不专注之间转换时，它们往往更有效率。
Alternatives provide a credible threat to suppliers, even if the ability to switch is constrained.
替代方案对供应商构成了可靠的威胁，即使转换的能力受到限制。
You don't need a light switch or a light bulb or an iPhone app to turn something on or off.
你不需要电灯开关、灯泡或苹果手机应用程序来打开或关闭某些东西。
In Type 3 situations, there are few alternatives, but the ability to switch without difficulty creates a threat that companies can use to negotiate concessions from existing suppliers.
在第三种情况下，几乎没有其他选择，但毫无困难地转换的能力造成了一种威胁，企业可以利用这种威胁与现有供应商谈判让步。
You can take a cue from GCC: maintain many sets of environment variables per application and switch from one pool to another depending on the work at-hand.
您可以从GCC得到提示：为每个应用程序维护多个环境变量集，并根据手头的工作从一个集合切换到另一个集合。
Let's hope they're wise enough not to be fooled by a machine that claims to determine truthfulness at the flick of a switch.
我们希望他们足够聪明，不要被一台声称只要按一下开关就能确定真实性的机器愚弄。
Let's hope they're wise enough not to be fooled by a machine that claims to determine truthfulness at the flip of a switch.
让我们希望他们足够聪明，不要被一个声称只需按动开关就能确定真实性的机器愚弄。
With a lightning "switch" at their fingertips, materials scientists could find out what happens when mighty currents meet matter.
有一个便于取用的闪电“转换器”，材料科学家们就可以弄清当强大的电流与物质相遇时会发生什么。
应用推荐