We examine aggregate productivity differences across nations using cross-country firm-level data and a quantitative model of production heterogeneity with distortions featuring operation decisions ...

tg-message-clone是专为Telegram用户设计的资源备份及频道群组克隆备份运营工具软件，可以完美解决Telegram群组频道设置了禁止保存和转发而无法保存精彩内容或信息的问题。对于开启了 禁止复制和转发 或 内容保护 的频道群组，可以无差别实现转发克隆备份，实现 ...

JitBit Macro Recorder records mouse and keyboard activity, automates repetitive tasks, allows macros to be saved or compiled to EXE for easy reuse. JitBit Macro Recorder is designed to automate ...

Make a cute watermelon crochet bookmark with this easy step-by-step tutorial, perfect for beginners and quick handmade gifts. This fun summer-inspired crochet project is lightweight, adorable, and a ...

Abstract: By integrating a nearly infinite number of reconfigurable elements into a finite space, a spatially continuous array aperture is formed for holographic multiple-input multiple-output (HMIMO) ...