市场观念的一种类别，指以消费需求为中心开展市场营销活动的观念，也称作（）。 ["生产者导向观念","消费者导向观念","管理者导向观念","销售者导向观念"]
A simplified construction plan may be included in the ship construction portfolio provided it adequately defines the（）. ["areas where special materials are used","hazardous areas","location of emergency repair equipment","type and strength of materials used"]
变压器跳闸后因故如何进行检查？
代理银行办理集中支付业务时，遵循（）的原则。 ["先清算后支付","先支付后清算","定期支付","定期清算"]
电缆导板分为哪几种类型？
下面卫星遥感图像中，A、B分别表示的是什么？
