bear operation中文什么意思

空头操作

卖空行为

• bear:    n. 1.【动物；动物学】熊。 2. ...
• operation:    n. 1.动作，行动，活动；业务，工 ...
• opa opa operation bear:    乌兹冲锋枪

例句与用法

1. On establishing an omni - bearing operation mechanism for employment guidance in higher learning institutions
   构建完善的高校就业指导工作运作机制
2. As the two cam roller bearing operation of a continuous taper support rib , from the cam and cam rollers arising from the pressure will help advance the good rotation and to avoid the problem of space
   由于两个凸轮滚子承载一次连续操作的锥度支撑肋，从凸轮和凸轮滚子中产生的预压力将有助于良好的旋转和避免间隙的问题。
3. As a newly - born operation company in jilin province , it is facing the intense competition from the market environment and the competitors ’ similar product . how jilin province telecommunication company develops at the present situation , and decides the key businesses selectively , are especially important
   因此,吉林省电信公司将宽带业务作为市场拓展的战略重点,自2004年末在全省大力推广光纤宽带业务,如何使该业务在激烈的市场竞争环境中快速成长和发展,成为企业营销中面临的一个难题。
4. My paper attempts to attain some conclusions from this study of gas cavity , and these conclusions may be useful to controlling bearing operation . the oiling system is an important part of radial - thrust floating - ring hybrid bearing . there are some factors that lead to the variation of oil - pressure in the oiling system
   本论文试图从理论方面研究由于供油压力变化导致气穴现象(这时候呈现两相流润滑)对径?推联合浮环动静压轴承动静态特性的影响，为以后可能寻求主动控制作了准备。