if a machine with annual running costs of $100,000 was erted from producing output selling for $50,000 to producing a special order worth $70,000, what would be the net income
研究者在进行参与式观察的过程中需要做的事情包括? ① 带着前设甚至偏见进入研究对象的领域中 ② 勤写田野日记 ③ 移情 ④ 仅仅做一名客观中立的旁观者 what should researchers do during the process of participant observation? ① participating into the lifeworld of the objects with presuppositions even prejudice ② writing filed dairy diligently ③ empathizing ④ to be an objective bystander
1950年代地理野外实习最基本的专业装备是 the most basic professional equipment for geographic fieldwork in the 1950s was
笔记中能体现位置的信息类型有 ①经纬度②距离③形状④建筑名称⑤地址⑥面积 what types of information can reflect location in the notes? ①longitude and latitude ②distance ③shape ④name of a building ⑤address ⑥area
成本相对较低的岗位评价方法是()。
纯净砂岩中的基质含量应是()。
实地使用照片法的步骤包括 the steps of using photo survey in the field include