Point lookups are useful, but the operation you'll reach for more often is a range query: give the tree a rectangular region and retrieve every point inside it, without scanning the entire dataset.
Source: Computational Materials Science, Volume 267。爱思助手下载最新版本对此有专业解读
第三十六条 除本条例另有规定外，单位和个体工商户年应征增值税销售额超过小规模纳税人标准的，应当向主管税务机关办理一般纳税人登记，并自超过小规模纳税人标准的当期起按照一般计税方法计算缴纳增值税。，推荐阅读服务器推荐获取更多信息
I built a demo repo with two working implementations: one for 1Password CLI and one for macOS Keychain. You can clone it and try both in about five minutes.