查询词典 decibels

Scientists say the maximum volume limit should be 85 decibels.

有科学家认为最大音量应控制在85分贝以内。

Simulation results show that one to two decibels benefits can be obtained by subspace and amplitudes tracking.

仿真结果表明，3种子空间幅度跟踪信道估计方法在4×10-3 误码率时可以提高系统误码率性能1～2 dB左右。

The typical lawn mower makes about 90 decibels of noise.

典型的割草机发出的声响约为90分贝。

Decibels measured in water are different from those measured on land .

分贝度量在水与的度量在陆上不同。

Decibels of sound pressure, pest will give up their source of food; and shelter and move on.

高强度的声波不在人和多数家养宠物如狗、猫、鱼、鸟和家畜的听力范围内。

Ring appears armature electro-acoustic transducer, abandoned plane ferromagnetic disk Diaphragm Park, began to use his ring on the armature and the bonding of non-ferrous magnetic Park tapered at the end of radiator to lower the quality of the sound output pressure to increase by 5 decibels, to extend the frequency range of about 500Hz, the successful design, moving iron type electro-acoustic transducer to achieve the ultimate performance.

1950年出现的环型衔铁电声换能器，摒弃了铁磁性平面园盘振膜，开始采用环状衔铁和粘接其上的非铁磁性园锥形辐射体来降底质量，使输出声压提高了5分贝，频率范围扩展了约500Hz，这一成功设计使动铁式电声换能器的性能达到了极致。

While NITRO CIC packs up to 70 decibels of gain into a tiny package (significantly more than other CIC products), it has more to offer than just out-of-this-world power. NITRO CIC also has a variety of features that will enhance your listening experience

当NITRO CIC 把70分贝增益放在一个很小的空间里的时候（相当大的程度上超越了所有别的完全耳道式产品），NITRO CIC提供了超越世界水平的能量，NITRO CIC具备了能更多的改变您的听觉体验的特性变化。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。