我们开始分析时，焦点锁定在一种强氧化剂：臭氧。
We began our analyses with a focus on a particularly efficient oxidant, ozone.
您仍可以使用控件验证将焦点锁定到控件，但不必考虑关闭窗体的行为。
You can still use control validation to lock focus to a control, but you do not need to be concerned with the behavior with regard to closing the form.
大部分的紧凑型相机和所有的单反相机都有一个焦点锁定功能，通过把快门按下一半儿来实现。
Most compact cameras and all SLRs have a focus-lock capability, activated by pushing the shutter release button down halfway.
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