Liquefied petroleum gas(LPG)pipelines were embedded deeply underground. It was difficult to test, take sample and monitor operation conditions.

液化气管道深埋在地下，存在检测和取样困难，对其运行状况难以掌握。

You get to sample lots of baked things and take home masses of cookies besides.

你可以品尝许多烘烤食品，此外还能带许多饼干回家。

To find out, you'd have to take a systematic and unbiased sample – perhaps a whole week's worth of stories – and then check the evidence behind every claim.

为了找到答案，你就必须采取系统和公正的样本——也许是值得花一整个星期去探究的案例——然后去查每一项主张后的证据。

They wanted to take the measure of the mountain, to study its rocks and sample its gases, to decipher its methods and moods.

他们对山峰进行测量，研究了火山上的岩石，对喷发气体进行取样，并解密了火山的活动方式和目前动态。

But preparing the sample can take more than a day, and the equipment to do that costs almost as much as the sequencer itself.

但是，可以采取抽样准备一天以上，且设备这样做的费用几乎一样序列本身一样重。