| 1. | I wanted to write my thesis on your work, but i couldn't find enough reference material .
我本想写关于你的作品的论文，但是我找不到足够的参考材料。 |
| 2. | Reference materials - standard solution - ammonium ion
基准材料.标准溶液.氨离子 |
| 3. | The cd - rom is easy to use as a reference material
本光碟是容易使用的参考资料。 |
| 4. | Reference material - standard gas - nitrogen monoxide
基准材料.标准气体.一氧化氮 |
| 5. | Reference material - ph standard solution - oxalate
参考物质. ph标准溶液.草酸盐 |
| 6. | Reference material - ph standard solution - carbonate
参考物质. ph标准溶液.碳酸盐 |
| 7. | Reference material - ph standard solution - phosphate
参考物质. ph标准溶液.磷酸盐 |
| 8. | Reference material - standard gas - carbon monoxide
基准材料.标准气体.一氧化碳 |
| 9. | Reference material - standard gas - carbon dioxide
基准材料.标准气体.二氧化碳 |
| 10. | Reference material - standard gas - sulfur dioxide
基准材料.标准气体.二氧化硫 |
