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- decibel measurement 分贝测定
- The most usual system is that of the decibel scale. 最常用的系统为分贝标度系统。
- Scientific measurement of the head. 头测量学,头测量学,测颅学头颅的科学测量
- Measurement of the depth of large bodies of water. 海洋测深学,海洋测深术测量大水域的深度
- In sound we use the decibel scale. 在声学中我们采用分贝标度。
- The scientific measurement of time. 计时学时间的科学测量
- The noise pollution reached a high decibel level. 噪音污染达到了很高分贝。
- A standard of measurement or judgment; a criterion. 标准测量或判断的标谁; 标准
- In sound we use the decibel scale . 在声学中我们采用分贝标度。
- A Decibel is equal to a shell very. 一贝尔等于十分贝。
- The overall measurement of this room is 80 square meters. 这个屋子的总面积是80平方米。
- When did the first measurement of the speed of sound take? 第一次测量声速是在什么时候?
- Human's ear usually can't stand sound over 80 decibel. 人类的耳朵通常忍受不了八十分贝以上的声音。
- Without a timepiece, the measurement of time is not easy. 如果没有钟表,就很难估计时间。
- Toys that make noise can't exceed certain decibel limits. 有噪声的玩具不能超过规定的分贝限度。
- A measure of sound intensity equivalent to one decibel at 1000 Hz. 一种声强的量度单位,其值等价于1000Hz 1分贝。
- Human's ear usually cannot stand sound over 80 decibel. 人类的耳朵通常忍受不了八十分贝以上的声音。
- The measurement of elevation relative to sea level. 测高术与海拔相关的高度的测量
- The German fans responded by raising the decibel level yet further. 德国球迷报以更大声的欢呼声。
- Having properties that differ according to the direction of measurement. 各有异性的根据不同方向的测量得到不同的性能