查询词典 impractical

In real option pricing, it is impractical to assume the present value of expected cash flow payoff as an exact number because it is a forecast one. Generally, the number is regarded as a triangular or trapezoidal fuzzy number to give its estimated interval values and the Black-Scholes (abbreviated as B-S) formula is used to price the real option.

针对实物期权定价中预期现金流收益的现值是个预测值，而采用精确值给出不太合理的问题，分析了三角模糊数或梯形模糊数给出它的区间估计值，并利用Black-Scholes公式为之定价的方法。

Marty, 19, may have the most flagrantly impractical career goal, next to writing haiku.

马蒂，19岁，可能拥有公认的最不切实际职业目标，差不多和写俳句一样不切实际。

That they are playing in Congo, a country riven by war, is impossible to forget. There are hints of the horrors beyond. They have few instruments because they were stolen during the fighting. Nathalie Bahati, a flautist who teeters elegantly on impractical cream heels, lost her father in the fighting.

令人难忘的，是他们所处的地方，那是在刚果，一个遭遇战争摧毁的国家，他们缺少乐器，是因为在战争中被偷了抢了，横笛手Nathalie Bahati，她的父亲在战争中牺牲了。

Elijah Galloway says: The construction of this machine we need hardly say would be impractical.

"以利亚加洛韦说："建造这台机器上，我们需要很难说会是不切实际的。

It's impractical to do this type of testing in any kind of clinic or general practice, Dr.

无论是在专科或全科医疗实践中，开展这类检查都是不实际的。

Impractical as this may sound, Geordie Rose, D-Wave's founder, is optimistic that it is the best way forward for quantum computing.

尽管这听起来有点不切实际，但递波的创始人基尼罗斯仍很乐观地表示：这是通向量子运算处理的最佳道路。

Becoming the guarder of being is to guarantee the living root of human being, so as to realize the poetically living on the earth. It shows that what Heidegger cared for was the interest of human being than that of the essence of substance. In this view, we have no reason to look Heidegger as the forerunner of environmental ethics, and the attempt to seek theoretically sustain in Heidegger's thinking concerning technology is impractical.

同时，我们也应认识到海德格尔并不从是美学的角度去分析艺术作品，他寄希望于艺术作品并不是要求人们都应效仿艺术家而行事，因为在他看来，艺术能够超越在场的东西，把在场与不在场结合起来，使人超越技术所带来的功利性的追求，重新回到"家"中。

Most were impractical, but the hang glider has been successfully constructed and demonstrated.

这些方案大多无法实施，然而悬挂式滑翔机现已制造成功并进行了表演。

Though his wife is very impractical, John fortunately has a lot of good horse sense.

虽然妻子办事十分不切实际，但幸好约翰自己倒是很有见识的。

Jesus, they say, was an impractical idealist who came down to earth.

耶稣，他们说，是一种不切实际的唯心主义前来朴实。

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％。