First of all, the usual older patient has a high systolic, but a lower diastolic.
首先，通常老年人的收缩压很高，但舒张压很低。
Sound also has a bit rate but is considerably lower than that of video, obviously.
声音也有一个比特率却显著低于视频，显然。
Sound also has a bit rate but is considerably lower than that of video, obviously.
声音也有一个比特率却显著低于视频，显然。
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