The SCP of backscattering signals approach the emissive center frequency with increase of ages.随年龄的增大,质心位置越接近于发射超声的中心频率.The fluorescence quenching of these emissive compounds in solution by halogen anions was studied car...
Biometrics promises identities that are virtually impossible to steal, impersonate or misplace.这种生物科技测量标准的特徵是近几乎不可能被偷取, 假扮,或误置.Biometrics raise thorny questions about privacy and the potential for abuse.生物测验学会引发一些有关隐私的棘手...
He appealed to his countrymen not to lose heart.他呼吁自己的同胞不要丧失信心。He determined to rescue his two countrymen.他决意营救自己的两名同胞。All the countrymen were in a state of great excitement.全体乡亲都非常兴奋....
需要进一步检查以排除患病的可能。Further examination is needed to exclude the chance of disease.他顶患病的工人干活.He substituted for the worker who was ill.这患病的孩子一夜未眠.The sick child passed a restless night....