次生林

生境与生态：生于山地次生林中。花期：3-4月；果期：8-10月。

大青山次生林区油松人工林的高生长及其GM(n)模型

secondary hyperparathyroidism

by-pass accumulator【电】;secondary cell【电】

secondary thickening

secondaryorder conditioned stimulus

secondary reaction

secondary memory

secondary ion mass spectroscopy\nSIMS\n物

secondary amyloidosis