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| 1. | Braces are used for the column matrices to distinguish them from rectangular matrices usually put in |
| 大括号用于列矩阵，以便使列矩阵与矩形矩阵区分开，矩形矩阵通常采用方括号。 |
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| 2. | A sweet baked food made of flour, liquid, eggs, and other ingredients, and usually served in rectangular |
| 蛋糕一种由面粉、液体、蛋和其它成分而制成的烤制甜食，通常呈长方形、正方形或圆形 |
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| 3. | A small, usually square cloth of absorbent material used for washing the face or body. |
| 洗脸巾，浴巾用于洗脸或身体的用吸收性材料制成的小的、常为四方形的布巾 |
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| 4. | A handkerchief is usually square. |
| 手帕通常是正方形的。 |
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| 5. | A device that generates high-frequency pulses( usually a square wave) for purposes of synchronization |
| 一种发生高频脉冲（常是方波）装置，以达到同步和事件定时的目的。 |
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| 6. | A device that generates high-frequency pulses (usually a square wave) for purposes of synchronization |
| 一种发生高频脉冲(通常是方波)的装置,以达到同步和事件定时的目的。大多数是晶体振荡器,它利用(石英)晶体固有共振的优点,所以频率稳定。 |
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| 7. | In China, a traditional big square table usually dines eight persons. |
| 在中国一张传统的八仙桌通常可容八人就餐。 |
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| 8. | of cultural heritage of modern China, but the diary is used as a kind of important biography data, usually |
| 近世中国的文献资料浩如烟海、汗牛充栋,而日记作为一种重要的传记资料,往往从其主人的日常生活中折射出社会历史的方方面面。 |
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