Years of experience and bitter tears have taught us to keep complex logic out of the constructor, especially anything that might call a server as a data access method is sure to do.
多年的经验和惨痛的教训教育我们，应该把复杂的逻辑扔到构造函数外面去， 特别是那些需要从服务器获取数据的逻辑更是如此。
The electrochemical behaviors of copper in the simulating bitter and brackish solution was studied using weight method and electrochemical techniques.
采用失重法和电化学方法对铜在模拟苦咸水溶液中的腐蚀电化学行为进行了研究。
Experiments were carried out to explore the extraction conditions of the water bath shaking method of total flavonoids from bitter melon, which was as raw materials.
采用水浴振荡法，以苦瓜为原料，苦瓜总黄酮得率为考察指标，研究提取溶剂浓度、提取温度、料液比、提取时间、提取次数等因素对总黄酮得率的影响。
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