Cai Wanfa, local canal administration, said, "the main problem is the water level."

当地运河行政机构的蔡万发说：“主要问题是水位问题。”

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Although removal of excessive fluoride from drinking-water may be difficult and expensive, low-cost solutions that can be applied at a local level do exist.

虽然从饮用水中去除过量氟化物可能很困难并且费用高昂，但仍然存在可在地方一级采取的费用低廉的解决办法。

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El nino raises the local sea level by a few tens of centimetres, and they believe the extra water weight may increase the pressure of fluids in the pores of the rock beneath the seabed.

厄尔尼诺导致海平面上涨数十厘米，他们认为大量降水产生的额外重量可能会增加海底下岩石空隙的流体压力。

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At the local level, water-user associations responsible for the management and maintenance of irrigation canals have been set up with foreign help.

ECONOMIST: The heavy costs of non-co-operation

Their role in water cycles is integral to water resource management from the level of a local pond right up to trans-national river basins.

UNESCO: MEDIA SERVICES

In most cases, the local police departments do not have the level of training or legal authority that the Coast Guard has to conduct the water-based security missions and interventions.

CENTERFORSECURITYPOLICY: LNG port security