The roots go a long way down .

根扎入地下很深。

Lasers can burn holes in a steel plate 0.25 inch thick at a distance of several feet .

激光在數(shù)英尺遠處能在 0.25 英寸厚的鋼板上燒出孔來。

The holes are evenly spaced .

這些孔的孔距均等。

To obtain continuous rotation , as in gears , a number of equally spaced involutes would be required on each basic circle .

為了獲得齒輪中那樣的連續(xù)轉(zhuǎn)動，在每個基圓上需要有許多等間距的漸開線。

Expansion joints may be spaced at regular intervals of up to 70 metres .

可能每隔 70 米才留出伸縮接縫的空隙。

The planets are spaced at smoothly increasing distances from the sun .

各行星彼此相隔的距離，隨著它們離太陽的距離而依次增大。

It extends(for) 10km north and south .

它南北延展達 10 公里。

A lever can move a load for only short distances .

杠桿只能將載荷移動很短的距離。

Feed is the distance the point of the tool moves longitudinally along the bed with each revolution of the lathe .

走刀量是車床每轉(zhuǎn)一轉(zhuǎn)刀具的刀尖沿床身縱向移動的距離。

The two points are 50 meters apart .

這兩點相隔 50 米。

These antennas are placed some distance apart .

這些天線隔開一定的距離。

In a three-phase alternator the voltage waves of the different phases are 120 electrical degrees apart .

在三相交流發(fā)電機中，不同相的電壓波彼此相隔 120 電角度。

The nearest star is 1014km away .

最近的恒星有 1014 公里遠。

Mars is 15.2 astronomical units away from the sun .

火星離太陽的距離為 15.2 天文單位。

Uranus is about 2,686,847,000 km from the sun .

天王星離太陽的距離為 2 686 847 000 公里。

Neptune is 30 times farther from the sun than is the earth .

海王星離太陽的距離為地球到太陽的距離的 30 倍。

A one-way distance to the moon or back is about 80 times as far as Columbus had to travel on his voyage from Spain to the West Indies .

去月球的單程距離或由月球返回地球的距離，約為哥倫布由西班牙航海到西印度群島所需航行的距離的 80 倍遠。

責(zé)任編輯：admin