您要查找的是不是：
- Following the mixers, an IF filter and a RF filter are used to attenuate unwanted harmonics or interference respectively. 在混合器后面，分别使用IF滤波器和RF滤波器来衰减不期望的谐波或干扰。
- The RF front-end chip is composed of several circuit blocks including low noise amplifier (LNA), mixer, frequency synthesizer, IF filter and limiter. 射频前端芯片包括低噪声放大器、混频器、频率综合器、中频滤波器和限幅放大器等主要模块。
- You can do it this way if you care to. 如果你乐意的话，可以这样做。
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久，就会发酵。
- If I had my way, I'd go to the movies tonight. 假如我做得到的话，我今晚会去看电影。
- If we all muck in we'll soon finish the job. 如果我们大家都动手，一会儿就可以干完这件事。
- If you go to a private hospital you must pay. 如果你去一家私立医院就诊，你得付费。
- We should practice economy even if we are rich. 即使我们富裕了也仍应该厉行节约。
- Do you mind if I draw up the blinds? 我卷起窗帘你不反对吧？
- She will buy him a cardigan if her son asks her to. 如果她儿子要求的话，她就给他买一件羊毛衫。
- I'm going to make sure if I'm going to Macao. 我要拿定主意我是否去澳门。
- He walked along as if favoring his sore foot. 他走路像是特别小心照顾他那只酸痛的脚似的。
- I scrubbed hard at the stain to see if I could get it off. 我使劲擦这个污迹，看能不能将它去掉。
- If everyone does his part, the project will surely be a success. 如果大家都尽责，这个项目肯定会成功。
- If today is Tuesday, the day after tomorrow will be Thursday. 假如今天是星期二，後天就是星期四。
- If we can pull through this recession, we will be in good shape. 如果我们能渡过这段经济不景气的时间，我们就会好多了。
- If you hit the child again, you'll have me to reckon with. 如果你再打孩子，我就要插手这事了。
- If he were here I can explain to him myself. 要是他在这里，我就可以亲自向他解释了。
- I can give you a round neckline if you prefer. 如果您喜欢我可以给您开个圆领口。
