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- Powders of (l-x)CaTi03-xCa(Mgi/3Nb2/3)O3 system were synthesized by the precursor method. 采用前驱体法制备了(1-x)CaTiO_3-xCa(Mg_(1/3)Nb_(2/3))O_3(CMNT)陶瓷粉体，该法制备的陶瓷粉体物相纯、烧结温度低，有利于改善微波介电性能。
- The precursor method could solve the problem that the appearance of pyrochlore phase during the synthesis procedure by avoiding the direct reaction between PbO and Nb2O5. 采用二次合成法制备PMN-PT钙钛矿相，避免了PbO和Nb2O5 的直接反应，从而抑制了焦绿石相的生成。
- In the article, the technological principles, process and the pluses and minuses of these methods, including sol-gel, coprecipitation, the organic coordination precursor methods, microemulsion method and hydrothermal, are summarized. 概述了化学共沉淀法、胶-凝胶法、机配合物前驱体法、乳液法以及水热合成法的制备原理、备过程。
- Based on the analysis of the data from 414 earthquakes, we get the conclusion that geomagnetism and underground water level observations are the fairly good precursor methods. 遵照“地震监测能力好的前兆手段，在其监测范围内，有震时应有较高的异常比，无震时应有较低的异常比”的原则，我们认为地磁和地下水位是比较好的前兆观测方法。
- The method seems good but it needs to be tried out. 这个方法似乎不错，但需要试验一下。
- The precursor of the modern car was a horseless carriage with a petrol engine. 现代汽车的前身是不用马拉的，装有汽油发动机的车子。
- The preparation of strontium barium niobate powders and films by the polymeric precursor method 聚合物前驱体法合成铌酸锶钡铁电薄膜
- I can't claim infallibility for this method. 我不敢说这方法绝对有效。
- Summer fallow is the best method of destroying weeds. 夏季休耕是消灭杂草的最好办法。
- LOW-TEMPERATURE PREPARATION OF NANO-CRYSTALLINE LITHIUM NIOBATE POWDERS BY THE POLYMERIC PRECURSOR METHOD 用聚合物前驱体法低温合成铌酸锂纳米粉体
- Popularizing this new method is not an easy job. 推广这种新方法不是件容易的工作。
- This is not an economical method of heating. 这不是一种经济的取暖方式。
- I have a simple and easy method. 我有个简易的方法。
- I went through by a summary method. 我成功运用了一个简易的方法。
- By this method, you obtain a good result. 用这种方法，你就会取得良好的结果。
- Many times has he tried that method. 那种方法他已经试验许多次了。
- Our packing method shall be improved. 我们的包装方法应加以改进。
- Thefirst telephone was the precursor of modern communications networks. 最早出现的电话是现代通讯网的雏型。
- His method of organizing the work is commendable. 他组织这项工作的办法是值得称赞的。
- The precursor or stem cell of a plasma cell. 成浆细胞浆细胞的前体细胞或干细胞
