filter
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举一反三
- 下面选项中,编写过滤器需要实现的接口是(<br/>) A: javax.servlet.Servlet B: java.servlet.<br/>Filter C: javax.servlet.<br/>Listener D: javax.servlet.<br/>Filter
- In<br/>an auxiliary diesel engine bypass type lubricating oil system, the<br/>main oil pump forces ____. A: all<br/>of the oil used by the engine through a filter B: some<br/>of the oil used by the engine through a filter C: some<br/>of the oil used by the engine through a centrifuge D: all<br/>of the oil used by the engine through a centrifuge
- What kind of filter is used to extract a single-freq. harmonic from the harmonic components contained in square wave? A: Low-pass Filter B: High-pass Filter C: Band-pass Filter D: Band-elimination Filter
- We can employ the next filters to detect edges from an image: A: Roberts filter B: Sobel filter C: mean filter D: Gaussian filter
- .Which of the following applications would require a non bypassing<br/>type filter? () A: Return line filter B: Downstream of any fixed displacement pump C: Upstream of a servo valve D: In a separate filtering and cooling circuit