花叶病是分布最广泛的甘蔗病害之一.Mosaic is one of the most widely distributed sugarcane diseases.病毒病常分为几大类,即花叶病, 黄化病, 斑驳或条斑.Viruses are often classified into broad categories as mosaics , yellows, mottles, and streaks.玉米矮花叶病是世界普遍发生危害严重的...
交易者对美元走软和经济复苏前景渐趋暗淡渐渐担忧起来。Dealers grew concerned over the sliding dollar and receding prospects for economic recovery.正因为这一理由,远期市场很少全由套利交易者组成.For this very reason forward markets rarely consist entirely of hedgers.交易者的指标...
[谚]三月天来如猛狮,去如绵羊.March comes in like a lion and goes out like a lamb.[谚]家丑不可外扬.It is an ill bird that fouls its own nest.[谚]金铸的脚镣, 也没人喜爱.No man loves his fetters, be they made of gold....