1. With the development of agricultural management, the commercial computerization has become the evitable trend. 随着农业经营管理的进步与发展，商务电算化已成必然趋势。
2. PCA approach models the HVAC system with its measurement data of normal operation condition. So, complicated analysis model is evitable. 主成分分析法利用系统在正常运行条件下的测量数据来建立系统的模型，从而避免了直接建立系统的解析模型。
3. The moral regression of administrative staff has already become the in evitable trend of the administrative reformation all over the world. 行政人员的道德回归已经成为世界各国行政改革的必然趋势。
