滑块调整及装模高度批示器的作用是什么？
在街面交通管理时，如何做到处罚违章合情理？
The disadvantage of using a heaving line to pass a towline is that（）. ["it increases the likelihood of collision between the towing vessel and the disabled vessel","recreational boaters tend to make the heaving line fast to the towed vessel as if it were the towline","the monkey fist may injure someone","it may reduce the catenary and increase yawing"]
利用存货模型确定最佳现金持有量时，不予考虑的因素是（） ["有现金的机会成本","现金的管理成本","现金的交易成本","现金的平均持有量"]
一般说来，企业进行国际化经营有两个目的：一是（）；二是求稳定。
在街面交通管理时，如何做到指挥手势规范？
