根据声源的频谱特性在其前后配置合理的管道式消声器、金属外壳式消声器、结构式消声器作为消声降噪的措施。
According to the spectral characteristic of the noise source, the tube-type muffler, metal-enclosure muffler, structural-type muffler can be equipped before and after the noise reduction devices.
虽然可以仅仅执行安装，在安装前后不进行任何配置，但是我们建议目标系统至少有1gb的空闲ram和1gb的空闲磁盘空间。
Although it is possible to perform the installation without any pre - or post-installation configuration, we recommend that the target system have at least 1gb of free RAM and 1gb of free disk space.
前后两端分别配置有摄像头，背面的摄像头用于拍摄高清影片和照片，前端的色相头用于视频会话。
There are the front and rear cameras —the rear for shooting videos and photos, the front for FaceTime video conferencing.
方法：统计与分析静脉药物配置中心建立前后工作人员、卫生材料、药品的消耗情况。
Methods: To analyze the consumption of preparation, material and medicine before and after implementing pharmacy intravenous admixture service center.
配置可调节前后位置及靠背角度的减震座椅，手电一体可翻转宽体驾驶室悬浮支撑，自动吸收路面振动，大大提高驾驶舒适性。
Equipped with position and backrest angle adjustable spring seats, manual/electric integrated tilting system cab, can absorb vibration from the ground and improve comfort for driving.
配置可调节前后位置及靠背角度的减震座椅，手电一体可翻转宽体驾驶室悬浮支撑，自动吸收路面振动，大大提高驾驶舒适性。
Equipped with position and backrest angle adjustable spring seats, manual/electric integrated tilting system cab, can absorb vibration from the ground and improve comfort for driving.
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