每小时的

Was the first man to drive at over 300 miles per hour.

是第一个以每小时超过300英里的速度驾车的人。

At any given moment the brain has 14 billion neurons firing at a speed of 450 miles per hour.

在任何时刻大脑里140亿的神经细胞以每小时450英里的速度燃烧。

And students at the elite Daewon prep school in Seoul, South Korea are cramming in a study hall that ends a 15-hour school day.

晚上10：30南韩首尔大元外国语高等学校这所菁英学府的学生，还挤在自修教室里死记硬背，他们刚结束学校每天长达15个小时的课程。

"Any of five winds with speeds of from 4 to 31 miles (6 to 50 kilometers) per hour, according to the Beaufort scale."

根据蒲福风级，速度达每小时4至31英里(6至50公里)的五种风的任一种。

Any of four winds with speeds of from 32 to 63 miles (51 to 102 kilometers) per hour, according to the Beaufort scale.

七级到十级风根据蒲福风级标准，四种风中的任何一种速度为每小时32至63英里51至102公里）的风

In temperatures that can drop to 112 degrees below zero, with winds of 50 miles an hour?

在最低华氏零下 112 度的温度和每小时 50 英里的大风中？

I'll accept a raise of one dollar per hour, but that's my bottom-line.

我会接受每小时1美元的增长，但是那是我的底线。

With a theoretical cleaning capacity of 2,600 sq.m/hour the Brava is suitable for cleaning small areas, indoor and outdoor, such as

理论上，BravaBrava500系列能达到的清洁能力是每小时2600平方米，它适用于小型区域，室内和室外等各类状况下的清洁工作。

In Oklahoma, which recorded a gust of 82 mph and 11 inches of rain, some 300 homes and businesses were damaged in the Kingfisher area and in Caddo County in southwestern Oklahoma, officials said.

有官员说，奥克拉马州凯缝西尔地区和州西南部坎道郡由于一场时速达每小时82公里的阵风和雨量11英尺的大雨，大约300个家庭和商人遭受损失。

If you want to reach a speed of 25 MPH downhill using a 50-RPM cadence, then you will need to have a 5.6:1 gear ration.

如果你想达到每小时25英里的速度下坡使用50 - RPM的节奏，那麼你将需要有一个齿轮比5.6：1 。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。