按: press; push down指数: index number; index的: 4次方是 The fourth power of 2 i ...扫描: scan; scanning; scansion; sw ...谱: table; chart; register按指数律地: exponentially按指数律增长: exponential growth按指数规律的: exponentially指数律: exponential law; index law; law of indices扫描谱仪: scanning gamma spectrometer快速扫描谱学: rapid scan spectroscopy负指数律: negative exponential law衰减指数律: exponential law of attenuation误差指数律: exponential law of error有理指数律: law of retional indices增长指数律: exponential law of growth指数律流动: exponential flow指数律上升: exponential rising指数律失真: power law distortion指数律运动: exponential motion寻的扫描器: homing scanner中间的扫描: interscan指数律;指数定律: law of indices指数律旋成体: exponential body shape; exponentially shaped body单扫描点的扫描: simple scanning