The PMR-3 is a Yugoslavian anti-personnel stake mine. The mine is a development of the PMR-1 and PMR-2 stake mines, having a larger main charge and a greater effective radius. Two versions of the mine were built, an 'old' version and a 'new' version.

Originally designated the PMR-3 “Pricepnoi Minnyi Raskladchik” meaning “towed mine layer (surface)”, this apparatus was the first Soviet minelayer capable of burying mines as well as...

Feb 20, 2025 · Public Management Review is an international journal, seeking to draw together and learn lessons from the development of public management across the world rather than being parochially focused upon one area and encourages cross-national and comparative research papers. The Journal promotes inter-disciplinary work.

Feb 7, 2024 · 总结来说，cmr和pmr的主要区别在于磁道的布局与设计对存储密度和性能的影响： • pmr本身是一个大类概念，包括了采用垂直磁化方式的所有硬盘。 • cmr在该分类下是指那些磁道间存在明显间隙、不采用叠瓦结构的传统设计，适用于需要高性能随机读写的场景。

二、LMR 和 PMR，CMR 和 SMR 概念. 机械硬盘以磁信号记录数据，这几个简称就是描述机械硬盘所采用的磁记录技术。 LMR： 水平磁记录 （Longitudinal Magnetic Recording） PMR： 垂直磁记录 （Perpendicular Magnetic Recording） CMR：传统磁记 …

Need a unique and powerful pistol? The PMR30 is a semi-auto .22 Magnum pistol that holds 30 rounds. It's reliable and has excellent sights.

Penilaian Menengah Rendah (commonly abbreviated as PMR; Malay for Lower Secondary Assessment) was a Malaysian public examination targeting Malaysian adolescents and young adults between the ages of 13 and 30 years taken by all Form Three high school and college students in both government and private schools throughout the country from ...

Kel-Tec PMR-30採用了直接後座作用的槍機，加上膛室內部的凹槽，便大大減少了抽殼時彈殼和槍膛之間的摩擦力。 它具有23 牛頓 （3.5至5 磅力 ）扣力的 單動操作扳機 和在 底把 後端的手動安全裝置。

Plasmid pMR-A-3 from Dr. David Liu's lab contains the insert T7-RNAP and is published in Nat Biotechnol. 2020 Jul;38 (7):883-891. doi: 10.1038/s41587-020-0453-z. Epub 2020 Mar 16. This plasmid is available through Addgene.

29.3 为自定义类型提供内存资源支持. 现在我们已经介绍了标准内存资源和用户自定义的内存资源，只剩最后一个问题了： 我们怎么保证自己的自定义类型支持多态分配器来保证它们能像pmr::string一样 作为一个pmr容器的元素？ 29.3.1 定义PMR类型