"谦光"是个多义词，它可以指谦光（汉语词汇）,谦光（五代南唐诗僧）。
但王光谦认为，调水调沙仅仅是把小流量存在水库里，积攒起来制造洪峰，并无水的浪费。
Wang Guangqian refutes this, saying that just a small proportion of the water flow is held back in the reservoirs, where it is stored up to create a flood peak, meaning no water is actually wasted.
王光谦说：“这是因为调水调沙的效果非常好，得到了普遍认可，是一个极为符合科学原理的工程。”
According to Wang Guangqian, "This was because the outcomes were excellent and there was general approval. The project is entirely in accordance with scientific principles."
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