词汇	致畸实验
释义	致畸实验医teratology testing
随便看	backward decoding backward deduction system backward dege backward delay backward design backward development Backward development backward diagonal backward dictionary backward difference backward-difference backward difference function backward difference method backward-difference method backward difference operator backward-difference operator backward difference quotient backward different approximation method backward differential equation backward differentiation method backward differentition method backward-differnece formula backward diffractive pattern Backward diffusion backward diode