单词	天文符号
释义	天文符号astronomical sign
随便看	sampled signal sampled signal model sampled value sampled voltage analysis sample-entry sample-entry plug sample-entry--plug sample error sample estimate sample estimator sample evaluation method sample evaluation method，sem sample evaporation sample evaporation chamber sample evaporator sample exception rate sample explosive substance sample export sample feed pump sample-- fission sample flipflop sample flush vaporizer sample for commercial coal sample for infrared absorption sample fractile