【多选题】Concentrating Solar Power (CSP) is based on the following technolgies
【单选题】某科研机构利用遥感卫星长期监控一个生态系统的演变,以下三幅示意图是根据不同时期卫星所拍摄的该生态系统照片绘制而成的。图中形状和颜色均相同的点表示同一物种,不同形状或颜色的点表示不同的物种,点的疏密表示单位面积上种群个体数量的多少。据图所作的结论正确的是 [ ]
D.
近25年来,该生态系统种群个体数量不断增加但物种数量不变
【单选题】劳动、知识、人才、创造四者是一个具有内在联系的统一整体,其中,( )是知识资源的载体,本质在于创造。
【单选题】根据渠道段工程图,描述正确的是( )。1渠道段A-A纵剖视图与平面图都采用了折断画法;2 因为渠道段是前后对称,平面图采用了省略画法,绘制了对称符号;3 渠道段过水断面形状是矩形;4 工程图中高度单位是m,其它单位是cm。【图片】
【多选题】The component insideFlat solar thermal collector include
A.
inlet and outlet connection tubes
【简答题】阅读理解。 The 100-kilogram blue solar car invented by 10 students at Southwest University's College of Engineering and Technology in Chongqing has a top with four solar panels that charge the battery that...
【判断题】受太阳辐射强度、日照小时数及连续阴雨天数等自然气候条件的限制,需配备较大容量的蓄电池(环境温度影响蓄电池寿命和充放电能力,有少量的维护工作),占地面积较大。Subject to the limitation of natural climate conditions such as solar radiation intensity, sunshine hours and continuous r...
【简答题】HUBRID SOLAR LIGHTING —Light the interiors of Buildings with Sunlight! Hybrid solar lighting is a system that captures sunlight on a roof top and uses optical fibers to channel it directly into a buil...