难得

Soil moisture is an important factor in research fields of hydrology,meteorology,pedology,ecology,agricultural science and so on.

土壤水分是水文学、气象学、土壤学、生态学以及农业科学等研究领域中的一个重要的参数，也是一个比较难得到的参数。

The most commendable is you had never done any perpetration but good ones.

难得的是一辈子做好事而不做坏事。

But before Japanese bosses celebrate, they may want to consider that this golden opportunity is hardly the result of business perspicuity.

但是在日本公司弹冠相庆之前，他们也许想弄明白这次难得的机遇很难是商业智慧的结果。

But she is perfectly amiable, and often condescends to drive by my humble abode in her little phaeton and ponies.

吉英说："他说要给我们补偿，我们虽然猜不出他究竟是什么意思，可是他这一片好意也的确难得。"

It may be caused by the fact that the researches were mainly focused on the compositions in the rhombohedral and morphotropic phase boundary.

在此组分范围内，由于铁电微畴的影响，很难得到光学级的PMN-PT单晶。

You also learn how to peacefully, if not philosophically, face death that is inevitable.

开头的一句的意思就是：有你在旁边，大部分事情即使不是办不成，也难得办！

The Physic test is much more difficult than I have expected.

物理试卷比我预期的要难得多。

Some kind-hearted bosses go to the market and pick up some vegetable leaves, coming back and dipping them into salt water, then a god-given cate is ready for them the women workers

1几个"慈祥"的老板到菜场去收集一些菜叶，用盐一浸，这就是他们难得的佳肴。

That being said, once you get past our atrocious on-ball defense today, you can't help but wonder how the Lakers were a marble ball in a pinball machine today getting bounced around and not getting calls; yet at the end of the day, you have to play through it.

我们也明白，一旦我们陷入了别人的防守怪圈，我们就可以理解为什么湖人队今天像打实心球一样是如此的艰难，也会明白为什么湖人队很难得到裁判的哨子，我们必须要面对这些。

He was a reluctant officer. In April 1942, he had volunteered for the paratroopers and been assigned to the 504th PIR of the 82nd Airborne.

他是个很难得的军官。1942年4月，他主动要求到空降兵来，分配在第82空降师504伞降步兵团。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。