节气门全开时的速度特性,称为汽油机的()。 ["负荷特性","外特性","功率特性","速度曲线"]
某公司只销售一种产品,2003年单位变动成本为15元/件,变动成本总额为63000元,共获税前利润18000元,若该公司计划于2004年维持销售单价不变,变动成本率仍维持2003年的30%。要求:若目标利润为98500元,预测实现目标利润时的销售量;
What is the benefit of implementing a Cisco end-to-end solution?() [" It enables the network to work as a unified whole"," It maximizes the network security"," It increases the cost of the equipment"," It reduces the cost of the equipment"]
若有一名为“leaf”绘制的叶片影片剪辑实例,若想实现为该实例设计逆时针旋转的动画,编写的onClipEvent事件处理程序的脚本应是:()。 [" onClipEvent(enterFrame){this._alpha= this._alpha - 1}"," onClipEvent(enterFrame){this._rotation= this._rotation - 1}"," onClipEvent(enterFrame){this._alpha= this._alpha+ 1}"," onClipEvent(enterFrame){this._rotation= this._rotation + 1}"]
氯气中毒的急救处理方法是:使受害者(),并立即离开事故现场,移到新鲜空气处。若呼吸停止,应进行人工呼吸或输氧。 ["坐立","吃药","注射解毒药","吸入酒精和乙醚的混合蒸气"]
Hash函数就是把任意长度的输入,通过散列算法,变换成固定长度的输出,该输出称为()。