介绍了该类化合物的几种合成方法，直接合成法、多步合成法和片段缩合法。
Its compound methods such as direct compound method, multi-step compound method and parts condensation compound method.
双多普勒天气雷达反演风场是以直接合成法为基础，垂直速度通过连续方程得到，反演天气系统的三维风场。
Wind field retrieval from dual-Doppler radar data USES synthesis technique, and the vertical velocity is obtained by using continuity equation, then the three-dimensional wind fields are retrieved.
通过水溶液直接合成法制得L -苏氨酸镧，研究了L -苏氨酸镧的产率与反应的投料比、时间、温度、酸度等因素的关系。
This study focused on the preparation conditions of the Lanthanum with L-Threonine, including synthesis, feed ratio, temperature, acidity and time.
通过水溶液直接合成法制得L -苏氨酸镧，研究了L -苏氨酸镧的产率与反应的投料比、时间、温度、酸度等因素的关系。
This study focused on the preparation conditions of the Lanthanum with L-Threonine, including synthesis, feed ratio, temperature, acidity and time.
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