Still, questions remain about noise levels and charging demands.

尽管如此，关于噪音水平和充电需求的问题仍然存在。

It has set permissible noise levels for building tools and vehicles.

它已经为建筑工具和车辆设定了允许的噪音水平。

Its advantages include a strong climbing ability, smaller turning radius, lower noise levels and zero magnetic pollution.

其优点包括爬坡能力强、转弯半径小、噪声低、无磁污染等优点。

Researchers found reactions to be significantly decreased at higher noise levels for both physical and mental work.

研究人员发现，不管是体力还是脑力劳动时，较高的噪音环境都会使反应能力明显下降。

If noise levels at traffic lights went over 85 decibels, the lights would remain on red for longer!

如果交通信号灯检测到噪音水平超过85分贝，亮红灯的时间就会更长！

It could be the case that were there are sensors and then they pick up the noise levels.

如果安装了传感器，那么它们就会接收到噪音。

It then sends messages to nearby ships so they can reduce noise levels and try to avoid crashes.

然后它会向附近的船只发送信息，这样他们就可以降低噪音水平，尽量避免碰撞。

Scientists say high noise levels affect the ability of ocean animals to find and catch other animals for food.

科学家表示，高噪音水平会影响海洋动物寻找和捕捉猎物的能力。

These days Aiello hears more ringing up of checks and says the lower noise levels are good for business.

这些天，Aiello听到的更多是支票的声音，他表示较低的噪声水平有利于做生意。

The iPhone app lets users contribute a sound check or reading of the noise level in any restaurant.

这款苹果app让用户可以任何餐厅检查噪音或读取噪音级别。