疫情并未给移动互联网流量整体带来明显增长，同比增速在 Q1呈连续下降趋势，对比去年Q4的环比增长率也少于去年。

装配式建筑引领工程建造新模式，2025 年PC 构件市场将达千亿规模：装配式建筑产业链包括装配式设计、构件生产、建筑施工和装配式装修。装配式混凝土结构（PC）因成本低、居住舒适度高等特点，在民用建筑中应用最为广泛。1）2016 年以来，国家和各地方政府陆续出台了鼓励装配式建筑发展的产业政策，企业纷纷在北京、上海等核心城市群投建PC 构件工厂。截止2019 年底，全国设计产能在3 万立方米以上的PC 工厂已超1000 家。2）PC 构件市场规模已从2013 年的3 亿元增长至2018 年的110 亿元，复合增速高达106%。我们认为未来PC 构件市场空间巨大，2025 年将达到1307 亿元，2019-2025 年复合增速为38%。

新一轮政府采购预期亦存在不确定性，一是新一轮采 购相对过去是否会有更大的增长的不确定性，二是各地需求在过去差异性 凸显导致的新一轮采购是否会采用过去模式的不确定性。行业风险因素被 市场过分放大时，我们应更注重长期的成长逻辑；市场过于看重长期逻辑 而忽视短期估值偏贵时，我们更应去寻找不确定性。

本报告从普遍应用于数据中心的叶脊架构出发，以将数据中心所有成本折算至 单机柜为基本思路，试图量化拆解云计算基础设施领域如 IDC、服务器、网络 设备和光模块之间投资配比关系。

阿里 巴巴坚持数字经济投资，坚持云智能核心战略，目前在全球 21 个区域 部署上百个云数据中心，采用液冷、水冷以及风能等技术降低能耗，目 前阿里云飞天操作系统管理的服务器规模约百万台，预计阿里云的数据 中心和服务器规模再增加 3 倍，未来有望成为最大的云基础设施提供商。

Cataract is a condition wherein clouding of the lens occurs, which resulted in hampered vision. Cataract surgery is the removal of clouded natural lens, and involves implantation of artificial or intraocular lens. The medical devices, such as intraocular lens, phacoemulsification systems, forceps, and balanced salt solution among others, which aid in cataract surgical procedures known as cataract surgery devices. The market has experienced steady growth in the recent years, owing to high prevalence rate of cataract-related diseases.

Cable drum is an object, which is round in shape and carries different types of wires or cables such as optic fiber, electrical, and other wire products. Different materials used for cable drums include plastic, plywood, wood, and steel. Wooden drums are manufactured from resinous wood and carries heavy loads. This report on the global cable drum market presents a detailed analysis of the trends, future estimations, and thorough study of the market based on material, mechanism, and region. The market segmentation on the basis of material includes wood, plywood, plastic, and steel. By mechanism, it is segmented into manual and motorized. The report also includes highlighted regional trends, the regional coverage of this market includes North America, Europe, Asia-Pacific, and LAMEA. It further provides insights on drivers, restraints, and opportunities to understand the dynamics and potential of the cable drum market. Furthermore, the report provides information about the strategies adopted by the key amrket players to sustain the competition and increase their market share. The key players analyzed in this report include August Hildebrandt GmbH, Bryant Unlimited, Cable Equipements, Conductix-Wampfler, Coxreels, Hannay Reels, Meccanica Nicoletti s.r.l., Schill GmbH & Co. Kg., Schwabe GmbH, and Svensson group. The report includes the study of the cable drum market with respect to the growth prospects and restraints based on regional analysis. The study includes Porter’s five forces analysis of the industry to determine the impact of suppliers, competitors, new entrants, substitutes, and buyers on the market growth.