* 获取数字的第digit位（从右往左，0表示个位）
这一幕距离浙江医药宣布筹划分拆新码生物赴港上市仅过去三个多月，而新码生物刚在2025年11月初，完成对新理念生物临床前所有管线及相应平台技术专利的战略收购。
。业内人士推荐heLLoword翻译官方下载作为进阶阅读
Agar is prized among chefs for its ability to form firm, heat-stable gels at remarkably low concentrations — typically just 0.5-2 percent by weight. Culinary agar is available as powder, flakes, strips, or blocks, and makes up about 90 percent of the global use of agar. Unlike gelatine, which melts at body temperature, agar gels remain solid up to about 185°F (85°C), making it ideal for setting dishes served at room temperature or warmer. It is also flavorless and odorless, vegan and halal, and can create both delicate jellies and firm aspics. Yet, while increasingly employed in kitchens worldwide, agar had not yet entered the laboratory.
The function intention is to check whether directory is the prefix