Chaozhou tianlun electronics factory located at the middle of erzhiqu , chaozhou city with the convenient transportation 潮州市城西天伦电子厂位于潮州市后街二支渠中段交通十分便利。
2.
The third grde lands are mainly located at tianxin , guanmiao and liutang . the second grade lands are distributed at both sides of the first class ditch 二级地主要分布在定级图左边的第一条支渠的两侧而又不在总部周围的地方。
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In addition , the hydrological data reorganization of branch channels of irrigated area and the calculation of water quantity and water rate can be done using this system 另外，本系统也可以进行灌区支渠水文资料整编以及水量、水费计算。本软件系统无论专业性还是适用性都很强。
4.
This system is of great specialty and practicality . its application tolo trunk channels and more than 70 branch channels of qingtongxia has proved that this software is reliable , practicable , common , scientific and reasonable . it has a good popularization value 通过在青铜峡10条干渠和70多条支渠上的应用，已充分验证了该软件系统的可靠性、实用性、通用性、科学性和合理性，具有很好的推广应用价值。
5.
In order to adapt the demands of market economy , reformation of administration system in irrigation district is fully executed . one of the important symbol is levying water - rate by quantity having substituted levying by mu . this requires measuring water should be carried out thoroughly , especially in sublateral canals and field ditches 为了适应市场经济的要求，灌区管理体制的改革正全面展开，其中一个重要标志就是改以亩计征水费为按量计征水费，这就要求灌区量水，尤其是斗、支渠必须全面实施。
