边界条件与杨氏方程
boundary conditions and Young s equation
不同杨氏模量
different Young’s Modulus
动态杨氏模量实验
dynamic Young’s modulus experiment
广义杨氏方程
generalized Young equation
欧美杨107杨
poplar clone 107
poplar clone I-107
populus× euramericana cv. 74/76
Populus×euramericana cv. 74/76
瞬时杨氏模量
instantaneous Young’s modulus