根据出发城市和日期，选择目的机场。
Select a destination airport based on departure city and date.
你和你的意图可以创建一个行程的基础上一个城市，只要选择一间酒店，并计划根据各地活动的住所。
You and your intended can create an itinerary based on one city, just choose a hotel, and plan activities based around your accommodations.
如何根据实际条件，选择经济实用的技术来保障甚至提高供水水质，已经成为中小规模城市供水系统共同面临的问题。
How to select economical and practical technology to ensure drinking water quality according to local condition has become an urgent problem to be solved in small - and medium-sized cities.
车辆根据路网信息，动态地选择起讫点的最短路，以保持较佳的行驶线路，进而优化城市交通。
According to the network information, vehicles select dynamically the OD path to maintain the optimal path and optimize the urban traffic condition.
以煤为原料制取城市煤气，要根据煤质、工厂规模、联产化工产品等不同特点，来选择适宜的工艺路线，可以是煤的完全气化，也可以是煤的焦化。
Technological process suitable for coal based city gas should be chosen according to the quality of coal and the scale of the factory and the coproduction of chemical products.
以煤为原料制取城市煤气，要根据煤质、工厂规模、联产化工产品等不同特点，来选择适宜的工艺路线，可以是煤的完全气化，也可以是煤的焦化。
Technological process suitable for coal based city gas should be chosen according to the quality of coal and the scale of the factory and the coproduction of chemical products.
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