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巧用矿井水浇活一片绿洲
清晨六点,林间露水还未消散,国家能源集团神东煤炭生态环境管理中心生态种苗站站长吴佳正已穿行在一畦畦沙棘采穗圃中。他蹲下身,指尖轻触大果沙 棘油亮的叶片,仔细查看嫩枝生长情况,手中的笔在笔记本上飞速游走,记录下一串串数据:"这批沙棘苗根系健壮,再等一年就能采穗扦插了。" 为培育优质种苗,神东煤炭从专业育苗机构引进纯正母株,全程严格把控扦插、施肥及病虫害防治等环节。"以往外购苗木品质参差不齐,如今实现自主培 育,从源头保障品质,真正做到'精品化'管理。"吴佳正介绍,当前培育的大果沙棘结果量达到原生品种的2倍至3倍,防风固沙效果更为显著。 "这些嫩枝必须在入冬前精准修剪,防止徒长,否则容易冻死。"吴佳正轻抚修 几年前,这里还是一片沉寂的沙地,如今已被各类幼苗点缀得绿意盎然。苗木茁壮成长的景象,见证着这座苗圃焕发新的生机。 吴佳正的前半生都在和苗圃打交道。苗圃始建于1990年,是神府东胜煤田水土保持与生态绿化治理工程的配套项目。1991年,当他初到这里时,被当地人誉 为"绿色银行"的苗圃建设正如火如荼。山坡上从早到晚都是翻土、播种、浇水、施肥的繁忙景象。多年来,已累计为神东绿化工程提供各类优质苗木超过30 万株。 然 ...
苹果 Containerization提供了面向macOS的原生Linux容器支持
3 6 Ke· 2025-06-17 11:54
Core Insights - Apple introduced Containerization and Container CLI at WWDC 2025, enabling lightweight virtual machine-based Linux container creation and operation on macOS, marking a significant shift for developers [1][6] - The new framework eliminates the need for third-party tools like Docker, focusing on security, performance, and privacy [1][6] Group 1: Technical Features - Each Linux container runs in its own lightweight virtual machine, providing enhanced security through isolation and a minimized attack surface [1][2] - Containers have dedicated IP addresses, eliminating port forwarding needs and ensuring high-performance network access [1][2] - The framework utilizes Swift extensively, including a custom initialization system (vminitd) that operates as the first process in each virtual machine [2][5] Group 2: Performance Optimizations - Apple claims sub-second startup times for containers through various optimizations, including a custom kernel configuration for container workloads [2][3] - The container file system is exposed as an EXT4 block device for high-performance access [2][3] - The entire technology stack is optimized for Apple Silicon architecture [2][3] Group 3: Open Source and Ecosystem - The Containerization framework and container CLI tools have been released as open-source projects on GitHub, contributing to an emerging ecosystem of Docker alternatives [3][6] - Notable alternatives to Docker include Podman, which offers daemonless architecture and enhanced security, and other tools like containerd and Buildah [3][6] Group 4: User Interface and Integration - The framework provides a user-friendly graphical interface for container management, distinguishing Apple's approach from existing solutions that rely on shared kernel containerization [6] - Developers can explore the framework and contribute to its development, facilitating the creation of native Linux container solutions on macOS [6][5]