难以

And the difference of method of cost accounting of each country production, often make become devoir analyse to come through production accurate the purpose that calculates an industry to compare advantage or competitive dominant position comes true hard.

而各国生产成本核算方法的差异，往往使通过生产成本分析来准确测算产业比较优势或竞争优势的目的难以实现。

It can be difficult to diagnose plant poisoning in your horse.

它可能难以诊断植物中毒，在你的马。

.It is necessary to predict the surging signal, when using transformer's surge analytical method to diagnosticate transformer faults in time and alarm in advance.

变压器振荡分析法中，为了能及时的进行变压器故障诊断及预警，需要预测变压器振荡信号，由于系统的复杂性，非线性，预测难以实现。

Conspiracy theories in Moscow about who killed Mr Litvinenko have reached a pitch of dialecticism that is scarcely intelligible to outsiders.

在莫斯科，有关谁杀死了利特维年科先生的各种阴谋理论已经达到了某种辩证主义的程度，使得外人几乎难以理解。

Ancient think, network video " at any time dibble seeding " wait for character, have the function that TV realizes hard on promotion.

古认为，网络视频"随时点播"等特性，具有电视在推广上难以实现的功能。

Another key determinant of next year's demand, and one equally dicey to predict, may be prices.

明年需求量的另一个关键的决定性因素，也是预测中一个同样难以定夺的因素，可能就是价格。

Dickey also had the all-time catcher mark, a .362 clip in 1936 that appears unreachable.

同样的 Dickey 也是一名全职的捕手，在1936年创造了当时所有捕手难以达成的。362 打击率。

Yet they leave no sort of traceinthe archaeological records unless they are captured by a dictaphone or written down by a clerk.

战场上军队的行动可能"改变历史的进程"，但从考古学的观点来看，这同样是难以捕捉的；可能更糟的是，多数有机物质会腐烂。

But the major American problem is anti-submarine warfare, because even elderly diesel-electric boats have proved difficult to detect.

但美国主要的问题是反潜战，因为甚至陈旧的柴电潜艇被证实也难以发现。

With dietary supplements making their way in our daily life, we find it difficult to survive without them.

与营养补充剂，使自己的方式在我们的日常生活中，我们发现它难以生存，如果没有他们。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。