61、【答案】is controlled 【解析】that引导的定语从句修饰robot,从句中主谓为被动关系,时态为一般现在时,且主语为三单,用is+过去分词,故填此答案。 62、【答案】the 【解析】固定用法,the number of(...的数量),特指,要用定冠词the,故填此答案。 63、【答案】them 【解析】空格处为for的宾语,them(...
What is a drone? In general, a drone is a kind of flying robot that41. ___ (control) by computers. While there are some kinds of drones called RoboBoats 42.___(design) for water, the most popular and well-known drone is the quadcopter. The four roiors(旋翼) of the quadcopter ...
To fly, drones must have a power source, such as a battery or fuel. They also commonly have rotors, propellers or wings and a frame. The frame of a drone is typically made of a lightweight, composite material to reduce weight and increase maneuverability. Drones with propellers typically ha...
Technically, any aircraft that is controlled remotely is an un- manned aerial vehicle (UAV), or drone. Most modern drones are controlled by Global Positioning System-based commands pro- grammed through a computer. Drones can cost anywhere from $300 to $5 million and can be as small as a ...
A drone, also called an unmanned aerial vehicle (UAV), is a broad term that refers to an aircraft that operates autonomously or by remote control, with no pilot on board. Drones are usually small-or-medium-sized, and these ‘flying robots’ can carry out a wide range of tasks, from st...
This is a good start for future flights of the solar-powered drone that could last for many days or even months at a time."(工作人员告 诉一些当地记者,所有飞行系统工作正常。这对太阳能无人机未来的飞行来说是一个良好的开端,它可能 点)ofbrown paint”可知她把湿画笔掉在了画上。故选A。 【...
- **A. 代替人类进行工作(Demonstrating some work instead of man)**:虽然无人机能代替人类进行危险任务,但表述过于笼统,未明确具体行为。 - **B. 研究稀有植物的状况(Studying the conditions of some rare plants)**:可能存在一定关联,但无人机通常更直接参与数据采集(如样本收集)而非单纯“研究”。 - *...
Who Would Want a Drone? Drone pilots are growing by the hundreds every day. This is because the entrepreneurial and recreational applications that civilian drones provide are endless. Everyone from movie studios to real-estate agents are eager to utilize drones because of the stunning and inexpensiv...
Today we will talk about what exactly an ESC is, what the function of ESC’s is, and how to choose an ESC. What is drone ESC? ESC, the full name electronic speed controller, is referred to as ESC which is a control device that controls the engine speed. The commonly used ESC ...
What is a Drone? We talked to 4 individuals involved in the RC hobby to ask them about drones, drone law, and how this all affects RC as a whole. If you don't know Josh Bixler then welcome to your first Flite Test article! Josh has over 25 years experience in the RC hobby and ...