棘手

In statistical analysis of ordinal data, we usually build up linear-by-linear association model and meet a trouble of choice of scores. Graubards et a1 (1987) proposed several methods for score choice in independence test in ordinal 2×κ contingency tables: equally spaced scores, midpoint scores and midrank scores. He also pointed out that the result of independence test may be different for the different choice of scores according to the same association model. Agresti et a1 (1987) treated the score vector in row effects and column effects model for two-way contingency tables as parameters and derived the necessary and sufficient condition of the solution under monotone order restriction by Kuhn- Tucker conditions.

在有序数据的统计分析中，通常要建立线线相关模型，其中得分的选取是一个棘手的问题，Graubard et a1（1987）给出了有序2×κ列联表中独立性检验的几种得分选取方法：等距离得分，中点得分和midrank得分等，同时指出，对于同一个相关模型，独立性的检验会由于得分选取的不同而得到不同的结论，Agresti et al（1987）把二维列联表中的行效应和列效应模型中的得分向量作为参数，在满足递增的序关系情况下，利用Kuhn-Tucker条件给出了解的充要条件。

Since religious freedom and popular elections are both sacrosanct rights of the American people, it is a particularly delicate one.

自从宗教自由和普选成为美国人最神圣的权利以来，这是一个极为棘手的变化，美国最终可能投票否定启蒙运动？

You can put down the salt shaker and cut back on obviously salty snacks, but there's still so much sodium packed into processed foods that trying to extract it from your diet is a tricky business.

你能够放下盐瓶，少吃盐多的小吃，然而在处理过的食物中仍然有很多的钠，而设法从饮食中提取它是非常棘手的。

Ms. Dyer was ready for that screener's tough queries.

戴尔作好准备回答面试官的棘手问题。

They're not supposed to work as they're supposed to either, so be ready when things get kind of screwy because that's when the potential for magic to happen is very strong.

所以遇到棘手的问题，要做好准备。因为这种事情要发生的魔力实在太强大了。

And though the walrus is an Arctic species and thus much harder to study in the wild than the elephant seals and sea lions that flop onto the beaches of Northern California, scientists are gathering evidence that Odobenus is the most cognitively and socially sophisticated of all pinnipeds.

由於海象是北极物种，因此在野地观察研究，远比会跳上北加州海滩嬉戏的象海骨M海狮棘手。科学家正在搜集证据，盼能证明海象的认知及社交能力，强过所有鳍足类。

Internet not only makes our living standard elevated but also provides a solution to a series of previously thorny or even unsolvable conundrums.

因特网不仅提高了我们的生活水平而且为以前很多棘手的甚至是无法解决的问题提供了方案子。

These are welcome words from Sudan's ambassador to China Mirghani Mohamed Salih and seen by many across the world as a concrete step toward resolving the problem in the country's western region of Shamal Darfur, Janub Darfur and Gharb Darfur.

达尔富尔问题是多维的。解决如此棘手的问题需要合作精神、政治协商以及经济发展。

This is tricky, so, align and adhere one edge and bend the sheet of paper as if rolling it on.

这是棘手，因此，统一和坚持的一个优势和弯曲页纸，犹如滚动，这对。

If the environmental aspects of shipbreaking are tricky, so are the economic.

如果拆船业在环保方面感到棘手，在经济方面也同样。

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％。