A wheelchair lift is a powered device - electric or hydraulic – that is used to raise a wheelchair with or without its occupant to overcome a vertical barrier. Depending upon on the end-user, a wheelchair lift can be categorized into two categories: Building wheelchair lift and vehicle wheelchair lift. The building wheelchair lift is installed at homes and commercial places for easy mobility of persons with disabilities, and it acts as an alternative to stairlifts. A vehicle wheelchair lift, on the other hand, is installed in public vehicles or private wheelchair accessible vans (WAVs) to increase accessibility of disabled people.

船舶推进方式是指船舶从原动机到螺旋桨的功率传输方式，可分为机械推进和电力推进两大类。电力推进根据不同维度可分为多种类型。根据电力推进方式占比可分为混合电力推进和全电力推进，根据电动机的布局位置可分为吊舱式和非吊舱式，根据推进负载与非推进负载的电力管理和分配方式可分为综合电力推进等。

中航工业直升机所于22日发布消息称，直升机“环控控制系统与机电综合管理系统”控制集成地面试验顺利通过验证，本次集成完成后，国产直升机产品控制设备数量将有所减少，显著降低了直升机机载重量，同时系统工作状态关键数据也将得到更加深入的把控，有利于维护人员及时准确地进行保养与维修。

5 月，新船订单量有所下滑，同比涨幅继续收窄，累计新船订单量达 1968 万载重吨，同比大幅增长 99.6%；新船交付情况保持向好，完工量环比继续上涨；受需求下降和交付量上涨影响，在手订单有所下降；基于成本上涨和汇率升值，新船价格轻微抬升；出口需求显著上涨，出口额累计同比实现正增长；船企经营持续低迷，主营收同比降幅再度扩大。

报告回顾了国防军工行业的 2018 年上半年表现，我们认为，军工行业长期成长性确定，随着估值大幅回落，部分基本面稳定的优质标的已呈现出较强的安全边际。预计随着下半年改革持续推进等制度红利兑现，以及军改落地后国防现代化产业发展加速，军工行业将进入快速成长阶段，维持对行业的投资评级“推荐” 。

本篇报告详细梳理了国内外军民融合的发展历程及现状，并重点分析了我国军民融合未来的发展方向及其或将带来的军工行业投资机会。军民融合本质上是对军民领域资源的合理配置和充分利用，是一国经济社会发展及国防军队建设的必然。通过对军工行业及个股的历史进行复盘，可以发现，军民融合往往能提升业绩和市值、助推军工牛市行情。我们对国内外军民融合的现状和未来发展方向进行梳理及分析，遴选出自主可控、北斗导航及航空制造业三个具有投资潜力的领域，旨在为投资者在军民融合产业链中进行投资提供判断依据。

近期，受宏观经济去杠杆、中美贸易战升级影响，流动性紧张，市场风险偏好下降，军工板块持续下跌，分级基金下折风险加大。6 月22 日，军工指数报收 6876.28 点，较年初下降 22.4%，低于 2 月份的底部，也创 3 年半来新低。

Autonomous tractors are technologically advanced and are also known as driverless tractors. These tractors are equipped with GPS, sensors, cameras, computers, and gyroscopes that help them drive from shed to the field, perform the tasks in the field, and then return back to the shed. The report analyzes the autonomous tractors market based on components and application, and region. The components segment covers sensors, GPS, vision system, and others. The application segment covers tillage, harvesting, seed sowing, irrigation, spraying, and fertilizing. The study highlights Porters’ Five Force analysis for the global autonomous tractors market. In addition, the report covers the study and analysis of top companies operating in the market along with their market share.