The cuticular penetration ability of avermectin Bia to Helicaverpa armigera Hubner were studied by using HPLC.本文报道用高效液相色谱法来测定复配剂及各复配单剂对棉铃虫幼虫的表皮穿透能力.Our aim is to achieve greater market penetration.我们的目标是进一步打入市场.The trade...
Local councils should use their powers to ensure strict observance of laws.地方政务委员会应当行使权力以保证人们严格遵守法律。Sometimes in parishes, Pastoral Councils are not well known.在堂区, 有时牧民议会不是众所周知的....groups who feel they've been offi...