河川含砂濃度
sediment concentration
防砂工程
sediment control
泥砂遞移率
sediment delivery ratio
含砂量測定
sediment measurement
sediment measures
泥沙取樣器
sediment sampler
泥沙生產量
sediment yield
泥砂生產量
沉澱
Sedimentation
農地沉砂池
sedimentation pond for farmland
沉澱物
Sediments
種子，種苗
Seed
種苗示範推廣
Seed & Seedling demonstration and extension
種子活力
seed activity
種苗經營課
Seed and Seedling Management Section
種苗管理科
Seed and Seedling Section
種子庫
seed bank
種苗繁殖
Seed breeding
種子認證
seed certification
種皮
Seed coat
