Emission lab排放试验室emissionn.散发；发行；排放emission plasma spectrometer激发等离子体光谱仪emission vacuum spectroscopy发射真空光谱学emission-types tube tester[电] 发射形式管测试器emission spectral tomography发射光谱层析emission/receiver circuit发射/接收电路emission trading institution排污权交易制度emission with renal asthenia肾虚遗精emission vacuum spectrometer发射真空分光计emission electron microscope发射电子显微镜,发射式电子显微镜,放射电子显微镜emission dicrimination matrix发射识别矩阵