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Concubinage, which had been almost unknown under the Japanese, was reintroduced into the island.

纳妾的陋俗在日本统治时期已经基本绝迹，现在又在岛上流行起来。

The purpose of C is unknown; possibly it was a drain for condensate.

的目的， C是未知的；可能这是一个流失凝结。

We apply the kernel methods of regression functions and conditional density functions to obtain a series of as the estimators of . Then using Monte Carlo Analysis method , we can get the optimal choice of the unknown parametric that is . Examples illustrate the models and will show this estimation is effective.

应用回归函数核估计和条件密度函数的核估计方法估计未知量，将得到的一组估计值用Monte Carlo Analysis方法处理便得到最优的，并通过算例模拟讨论以上估计方法的优劣。

The confidence interval of unknown parameter represents the range of the value and the reliability about estimation of parameter.

未知参数的置信区间表示该参数的取值范围及其可信程度，置信区间的长度表示区间估计的精度。

It is always possible that some unknown or unmeasured factors confounded these results, he added.

它始终是可能的，一些不明或衡量因素混淆这些结果，他补充说。

But Longfellow is the spokesman of a confraternity; what thrills him to utterance is the spirit of that strange and beautiful freemasonry established as long as long ago as when the first sailor steered the first keel out into the unknown, irresistible waterworld, and so established the foundations of the eternal brotherhood of man with ocean.

但朗费罗是人类真情的代言人，激励他吐露真言的是一种陌生而美妙的心有灵犀一点通的精神，这种精神早在第一个水手驾驶着第一艘船来到这陌生而又舛骜不驯的大海的世界时就已确立了，同时也确立了人与大海间永恒的感情基调。

It is I and sea,and my egoism is as valiant and as vocal as the other's.but Longfeflow is the spokesman of a confraternity; what thrills him to utterance is the spirit of that strange and beautiful freemasonry established as long as long ago as whenthe first sailor steered the first keel out into the unknown,irresistible water—world,and so established the foundations of the.eternal brotherhood of man with ocean.

但朗费罗是人类真情的代言人，激励他吐露真言的是一种陌生而美妙的心有灵犀一点通的精神，这种精神早在第一个水手驾驶着第一艘船来到这陌生而又舛骜不驯的大海的世界时就已确立了，同时也确立了人与大海间永恒的感情基调。

In most cases of congenital heart disease, the cause is unknown.

在大多数情况下，先天性心脏病，原因是未知之数。

In this paper, the antler fossils in sediments in the Wuhan-Yangluo segment of the Changjiang River were analyzed by means of SEM. The study results showed that at the hole edge of antler fossil section, many unknown crystal congeries exist.

本文应用扫描电子显微镜对长江武汉阳逻段江底沉积岩中古生物化石进行了分析研究，在动物鹿角化石剖面的孔隙边缘，发现了许多尚未人知的结晶团聚体。

Clarence Seedorf spoke from the Coni organized Italian and Dutch conference on Sport and Integration: 'There isn't racism in Italy, it's more of a fear of the unknown.

西多夫在Coni组织意大利和荷兰关于体育和融合的会议上谈道、：在意大利并没有种族岐视，但人们更多的是有一种对陌生人的恐惧。

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