查询词典 db

These mufflers come complete with a Silencer insert to bring the dB's down by 85%.

这是完全拿掉，还可将增加区议会下跌85%。

This boss battle is a great example of the effectiveness of Nero's Devil Bringer arm, particularly the Snatcher ability which allows him to grab enemies from afar as well as launch himself at distant targets.

这场BOSS战是练习DB的绝好机会，尤其是Snatcher能够让你从远处抓住敌人，或者把他揍的远远的。

Emergency warning sound when a remote control device to activate the emergency alarm button receiver emergency warning issued =100 dB warning tone.

的紧急报警音，这时按遥控器的紧急报警键来启动接收机紧急报警发出≥100分贝的报警音。

With the use of hollow glass, sound insulation index reaches over 40 db, which will not only prevent sound pollution but also save much energy.

中空玻璃的使用使隔音指标达40加权分贝以上，除了大大减少噪音的污染，更能节省大量的能源，实测数据表明，钢结构住宅的平均能耗为砖混住宅的1/3-1/2

As a closed system it has a sound proofing of 39,5 dB and therefore is recommended for mixing in noisy environment like a stage in any case For Mixing in low-noise environment we recommend the

作为一款封闭式机型它具有39.5dB的隔音，因此适合用在吵闹的环境比如任何类型的舞台。对于在安静环境我们的建议是

For example, many commercial and open source Lightweight Directory Access Protocol servers use Berkeley DB for record storage.

比如，有许多商业的和开源的轻量级目录访问协议服务器都使用BDB存储记录。

Non-interrupting level setting over a range of 20 dB freproducible measurement of squelch hysteresis.

非中断级别设置了一系列的20分贝的重复性测量压制滞后。

If you calculate component values to achieve these conditions, then the circuit presents the remarkable property that, for all positions of R7's wiper, the sum of the powers in the left and right channels is constant to within 0.19 dB.

如果计算实现这些条件的器件值，电路表现出显著的特性。对R7抽头的所有位置，左右声道的功率之和持续在不超过0.19dB。

What is the channel capacity for a teleprinter channel with a 300-Hz bandwidth and a signal-to-noise ratio of 3 dB, where the noise is white thermal noise?

一个电传打印机的带宽是300Hz，信道内所传信号的平均功率与白热噪声功率的比值为3分贝，问其信道容量是多少？

For our ears, that dynamic range is 120 dB from threshold of hearing to threshold of discomfort.

对于人耳，动态范围达到120dB时，达到人耳痛阈。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。