| 51. | information culled from various reference books |
| 从各种参考书中摘出的资料
|
| 52. | sociological studies conducted within a Marxist frame of reference |
| 以马克思主义观点指导的社会学研究
|
| 53. | an unnecessary reference to his criminal past |
| 何必提到他的前科
|
| 54. | a pocket reference book |
| 袖珍参考书
|
| 55. | an invaluable book of reference |
| 一本珍贵的参考书
|
| 56. | a standard book of reference |
| 标准参考书
|
| 57. | a highly useful book of reference |
| 极其有用的参考书
|
| 58. | mechanically apply without reference to varying circumstances |
| 对情况不加区别地机械运用
|
| 59. | be readily available for reference |
| 随时可供参考
|
| 60. | a book easy of reference |
| 便于查考的书
|