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汉语拼音：yuán guī

1.大龟。古代用于占卜。

2.借指谋士。

3.比喻可资借鉴的往事。

4.汉王莽时货币。龟宝四品(元龟﹑公龟﹑侯龟﹑子龟)之一。

元龟 [yuán guī]

1. 大龟。古代用于占卜。

   《书·金縢》：“今我即命于元龟。” 孔 传：“就受三王之命於大龟，卜知吉凶。”《史记·龟策列传》：“ 紂 为暴虐，而元龟不占。” 唐 杨巨源 《元日观潮》诗：“北极长尊报圣期， 周 家何用问元龟。” 汉 蔡邕 《荐边让书》：“伏惟幕府初开，博选精英，华髮旧德，并为元龟。”

2. 借指谋士。

3. 比喻可资借鉴的往事。

   《三国志·吴志·吴主传》：“近 汉高祖 受命之初，分裂膏腴以王八姓，斯则前世之懿事，后王之元龟。” 晋 刘琨 《劝进表》：“前事之不忘，后事之元龟也。”

4. 汉 王莽 时货币。龟宝四品(元龟、公龟、侯龟、子龟)之一。

   《汉书·食货志下》：“元龟，岠冉，长尺二寸，直二千一百六十，为大贝十朋。”

元龟 [yuán guī]

1. 大龟。古代用于占卜。借指谋士。

   汉·王莽时货币。龟宝四品（元龟、公龟、侯龟、子龟）之一。比喻可资借鉴的往事。

• Where can buy laundry coin and how much? 28 KM, about 30 minutes. By taxi about RMB130.

  28公里，坐车大约30分钟。出租车车费大约130元。

• One of the key characteristics of dynamic routing performed by an ESB is the ability to be metadata-driven.

  由ESB执行的动态路由的一个主要特征是可以由元数据驱动。

• She came to repay me 200 yuan once more yestereday as a result of her forgetting paying it back to me last month.

  她昨天又来还我200元钱，因为她已经忘记上个月还给我了。

• At last great amount of data were collected for training the neural network to obtain a forecasting model which had a high accuracy.

  最后通过实际观测搜集大量的数据，对神经元网络模型进行训练，得到了精度令人满意的预测模型。

• Most of his employees are students looking for some extra pocket money, or shift workers with a bit of spare time.

  他的员工多数都是些想赚零花钱的学生，或者换完班空闲多的工人，时薪15元。

• Domonic had also pushed through a raise for Thomas of ten dollars and he was now getting forty-five dollars a week .

  由多米尼克促成，给托马斯增加十块钱工资，现在，他一星期挣四十五元。

• I watched her blush as she tried to count her money, and I could see right away that she was about a dollar short.

  她试图数钱的时候脸红了，我马上看出她大概短缺了一元钱。

• For instance, it took us a few months to understand how to use metaclasses, but a few years to understand how not to use them.

  例如，花几个月时间就能理解如何使用元类，但是要花几年时间才能明白如何不使用它们。

• Since the identity element of a monoid is unique, one can alternately define the identity function on M to be this identity element.

  因为么半群的单位元是唯一的，可以以M上的单位元来替代其恒等函数的定义。