难以

It is difficult to accurately characterize the parameter distribution through conventional linear methods.

线性数学手段难以精确描述非均质储层参数的空间分布特征。

On the other hand, the detection problem, which is one of the most difficult ones encountered in complex distribution parameter system, can be solved by computer vision and image recognition technology in certain cases.

许多生产过程都是高度复杂的动态系统，具有显著的非线性、时变性、空间分布性和不确定性，难以建立精确的数学模型，智能控制便在这种情况下应运而生。

At present, the management and analysis of statistical data in the statistical departments of our country is based on the traditional mathematical methods and 2-D table, which are difficult to reflect the spatial distribution and the rule of the social economic phenomena.

目前，我国统计部门对统计数据的管理与分析是基于传统的数理统计方法和二维表格进行的，这种单一的表现形式难以反映出社会经济现象在空间上的分布情况与规律。

The divergence is difficult to time and locate in American history.

分歧是难以找到的时间和在美国历史上。

The trademark diverging eyes of the women make their expressions difficult to read.

画中丽人的表情，因为特有的视线分歧的双眼而难以解读。

The trademark diverging eyes of the women make their expression_rs difficult to read.

画中丽人的表情，因为特有的视线分歧的双眼而难以解读。

Emerson's Divinity School address, amid its offenses, reduced Jesus to a sublimely typical man, one who was "true to what is in you and me," alive to the "daily miracle" of "man's life," and manifesting not miracles and an impossible sanctity but "a sweet, natural goodness, a goodness like thine and mine, and that so invites thine and mine to be and to grow."

在它的攻击中，爱默生在神学院的演讲中将耶稣还原为一个象征高尚的人，他"在你我的心里是真实的"，对"每日的奇迹"和"人的生命"是敏感的，不但代表着奇迹和难以达到的圣洁，而且代表着"一种美好的、天然的美德，一种你我都有、能引导你我形成和栽培这种美德的美德"。

With deepening of division of labor, social injustice is unavoidable.

在分工日益深化的条件下，社会不公正是难以避免的。

The complexity of a possible intervention -- and the political divisiveness it has wrought -- could be too great to overcome this week.

可能的干预措施的复杂程度以及由此产生的政治分歧恐怕都过于强大，难以在本周克服。

We have escaped the kind of bitter divisiveness that racked much of Europe during the Danish cartoon furor this year.

我们没有发生那种去年由丹麦卡通漫画造成的、祸及全欧洲的、令人难以接受的分离事件。

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％。