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Source: Computational Materials Science, Volume 267，详情可参考爱思助手下载最新版本
def __init__(self, db_path: str):，这一点在Line官方版本下载中也有详细论述
（二）违反国家规定，收购铁路、油田、供电、电信、矿山、水利、测量和城市公用设施等废旧专用器材的；
That decision sapped a lot of energy from the project, and others on the team began to move away from it as their personal lives became busier. Sultan of Rum said all this has made the project better in the long run. Project leaders soon instituted better planning and management systems that centralized information and preserved institutional knowledge in case longtime developers decide to leave.