另案妻主要的健康问题为照顾者角色紧张.The major health problem of the caregiver was caregiver role strain.研究者认为这是因为女性一直以来承担的是照顾者的 责任.Researchers theorize that this is because of gender role of women as caregivers [ Source : Science Daily ]...
Nonperturbative vacuum average value of two point function of two gluon with translational invariance is evaluated.在洛伦兹规范条件下,导出了具有平移不变性的双胶子两点函数非微扰真空平均值.The vacuum flask has a strong casing, which won't crack or chip...