The fund was in danger of losing its tax-exempt status.该基金面临不再享受免税待遇的风险。Soldiers were exempt from paying rates.士兵免缴地方税。Children under two years are exempt.两岁以下儿童免票。...
Mucosal immune response of the mice to formalin - treated Campylobacter jejuni, CJ - S 131 , was effectively induced by oral immunization.甲醛化空弯菌CJ -S131 菌苗经口免疫小鼠, 有效地诱导了肠道粘膜的特异性免疫应答.The effects of formalin added during m...