一些型号虽然在不改变内部镜片的情况下也可以做到自动对焦，但是通常也是个相对缓慢的过程。
Some models allow auto focus in live view mode (without the mirror flips), but this is often a fairly slow process.
对于专业摄像机，缩减捕获和在变焦过程中运动平稳是非常重要的，这是为什么它可能看起来，自动对焦速度很慢。
For professional use cameras, reduced hunting and smooth movement during zoom operation is very important, which is why it may seem that the AF is slow.
通过对焦化污水处理过程影响因素的研究，优化了aao污水处理工艺，对厌氧池进行了改造。
Through study on the influencing factors in coking waste water treatment process, AAO waste water treatment process is optimized, the anaerobic tank has been modified.
应用推荐