CONCLUSION: Cortex toona and ailanthus are different in plant origins, antimicrobial effects and ingredients.結(jié)論: 香椿皮、臭椿皮來(lái)源于兩種不同科屬的植物, 抗菌效果不同,成分不同,不宜混用....
The Year of Six Million: Math of Population — was Malthus Right?寫在世界人口六十億日: 人口的數(shù)學(xué)計(jì)算——馬爾薩斯是否正確?Will Malthus Continue to Be Wrong?馬爾薩斯會(huì)一直錯(cuò)下去 嗎 ?Malthus believed that population increase would outpace increases in the means...