长期: over a long period of time; long-term; long range; secular 短语和例子作长期打算 take a long view; make long-term plans; 长期观点 a long-term view; 长期存在的问题 a long-standing problem; 这个实验结果长期不显著。 the resul
长期观测站: continuous stationlong term stationlong-established stationlong-term station
长期预测: long range forecastlong range predictionlong range projectionlong run predictionlong term forecastlong term projectionlong-range predictionlong-run forecastlong-term forecastinglong-term p
The key advantage of the 137cs and 7be approaches is the provision of spatially distributed information on short - and medium - term rates of both erosion and 但是，次降雨侵蚀与长期侵蚀的严重部位不同，前者发生在10一20m处，后者发生在20一3om处。
