Several great basic theoretical questions of charging system of water resource fee haven't get satisfactory settlement yet, some concrete systems are still a blank in our country.
水资源费征收制度的若干重大基础理论问题尚未得到圆满的解决，有的具体制度在我国尚付阙如。
Contingent fee system originated from U. S. A. It's currently the more popular legal charging method internationally.
起源于美国，是目前国际间较为流行之律师收费制度。
The Bluetooth-based highway vehicles wireless charge system is quite an advanced fee-charging system. It employs highly developed Bluetooth technique, which greatly improves the traffic capacity.
蓝牙公路车辆无线收费系统是一种先进的收费系统，采用了最新的蓝牙技术，能够极大提高道路通行能力。
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