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气象台测雨量,用的是、雨量筒.如果雨点直直地落在雨量筒里,没问题,测得的雨量是准确的,可是,雨点并不是每一次都直直地下落
The meteorological observatory measures rainfall using the rain gauge. If the rain falls straight into the rain tube, no problem. The measured rainfall is accurate. However, the raindrop does not fall straight down every time.