The works need to be repaired.

A laser is a device composed a special material.

激光器这种器件是用特殊材料制成的.

The equipment used consisted primarily of glassware connected by rubber hose.

所用设备主要由软皮管连接的玻璃器件构成.

The preceding chapters discussed the various control elements or units.

在前面几章已经讨论了几种控制元件或器件.

The moon spins axisin the same amount of time it takes to orbit Earth.

月球自转周期与绕地球公转周期相等.

And three, it must have the area of other objects around its orbit.

第三, 在其公转轨道上不能有其它物体存在.

The earth rotates and it revolves.

地球一面自转,一面公转.

They spin while going round their own planets.

它们绕着行星公转的同时也自转.

In the case of the moon the rotation keeps pace exactly with the revolution.

月球的自转与公转精确地同步.

Eco-organic soil-less cultivation solves the problems of soil acidification of those facilities melon, salinification and soilborne diseases.

通过有机生态型无土栽培技术解决设施甜瓜栽培中常发生的土壤酸化 、 返盐和土传病害等连作障碍问题.

We chose Dalian as our destination, and then we began to prepare.

我们选择了大连作目的地, 我们就开始准备.

We rotate the crops so as to maximize the use of the soil.

他轮种各种作物,以便最大限度利用土壤.

Most farmers alternate crops.

多数农民实行轮种.

Rape and barley are grown is rotation here.

这里油菜和大麦轮种.

Vegetable rotation can prevent the loss of nutrients in the earth.

蔬菜轮种有利于防止土壤的营养成分流失.

Farmers rotate crops in the fields.

农民在耕地上轮栽农作物.

What could break the cycle? It is rather hard to imagine.

什么可以打破这种轮回? 太难以想象了.

Chosen, eaten, and turned into the Next Big Thing.

选中, 吃下, 然后进入下一次大轮回.

I've just taken over the job.

这项工作我刚接手.

I am sure I could pick up the job quickly.

相信能帮助我很快接手这类工作.

Reason: adjusting the various hand-over links to ensure that a balance transfer.

原因之 二: 调节各交接环节,确保交接过程的平衡可靠.