查询词典 unknown background

The uncertainty is assumed to be unknown continuous function with norm-bounded restriction. The perturbation is sector-bounded.

系统的不确定性是范数有界的未知连续函数，外部干扰是扇形有界的。

It may be disagreeable and painful to him, perhaps, to see an unknown face at such a moment of sadness; besides, what can I say to him now, when at the mere sight of him my heart is throbbing and leaping into my mouth?

在这悲哀的时刻，一张陌生的面孔想必会使他感到厌恶和难受，而且现在，当我朝他望一眼就会感到心悸、口干舌燥的时候，我能够对他说些什么话！

It is entirely natural to be fearful of the unknown.

对未知感到恐惧完全是人类的自然反应。

The ginkgo contains the abundant unknown active thing --" anti-ageing and plain " to can make people to be in high spirits , promote longevity.

银杏含有丰富的未知活性物──"抗衰老素"故能使人精神焕发、延年益寿。

The great unknown, however, is the spending culture of NBA owners this summer in a bedraggled economy.

最大地未知数是，在动荡不安的经济大环境下， NBA 老板们今年夏天的"支出哲学"究竟几何？

For the road was cut many years ago---by Fanny Burney, by Aphra Behn, by Harriet Martineau, by Jane Austen, by George Eliot —many famous women, and many more unknown and forgotten, have been before me, making the path smooth, and regulating my steps.

道路已被开辟已久，在我之前的许多知名女性----范妮﹒伯尼，阿芙拉﹒贝思，哈丽雅特﹒马蒂诺，简﹒奥斯汀，乔治﹒艾略特，以及无数不详其名的或已被遗忘的，早已将道路铺平并指引着我前进的步伐。

So , it comes to the conclusion that the value of the natural refractive index should be inputted in data processing if possible and a value larger than 2.0 should be believably chosen as the inputted refractive index if the natural refractive index of the measured particles is unknown .

从而得到结论：在测量过程中应尽可能输入与颗粒实际折射率一致的数值；当无法确知颗粒实际折射率时，比较可靠的办法是适当选择一个大于2.0的数值作为输入折射率进行数据处理。

The actual frequencies of the tones were unknown until 1964, when the Bell System itself released them in one of their journals.

实际频率的语气不明，直到1964年当钟声制度本身释放他们的期刊之一。

Each plate is subjected to local forces on the plate and the unknown bending moment on the boundaries.

每一块板在板内承受任意局部荷载，在四边承受待定的分布弯矩。

Bergan cautioned that much is unknown about use of genistein in preventing cancer spread.

伯根告诫说，很多是未知的关于使用金雀异黄素在预防癌症的蔓延。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切