| 1. | Braces are used for the column matrices .
大括号用于列矩阵。 |
| 2. | The expression in the square brackets looks familiar .
中括号内的表达式看起来很熟悉。 |
| 3. | The operator in parentheses in (3. 54) is called the laplacian operator .
在（354）的括号里的算符叫做拉普拉斯算符。 |
| 4. | The rather messy expression in the brackets can be written in a symmetric form .
中括号中这个相当凌乱的表达式可以写成对称形式。 |
| 5. | We may employ equilibrium considerations to delete the second expression in the bracket .
我们可以应用平衡条件消去括号中的第二项。 |
| 6. | This scheme allows no room for the muon and the question arises of what to do with it .
此括号内没有为子留下空位，于是问题随之产生。 |
| 7. | Braces are used for the column matrices to distinguish them from rectangular matrices usually put in square brackets .
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。 |
| 8. | Note : the value in bracket is correlation coefficient
注:括号内数值为相关系数。 |
| 9. | Complete the sentence with a proper phrase in the box
用括号中适当的短语填空。 |
| 10. | Table hints also must be specified with parentheses
指定表提示时必须使用括号。 |
