calculate sharp corner

alpaca milk 羊驼奶 large yellow croaker achlya infection 大黄鱼绵霉感染 actuarial commission 精算佣金 engineering service policy 工程服务保单 variable consideration 可变对价 cross-border revaluation 跨境重估 express division 明示业务部 nso art book NSO会员美术集 runner-up assists 亚军助攻数 online ceremony 线上颁奖礼 pre-buy 预购 mockumentary ambiguous 伪纪录暧昧 employees detain 劳动者采取拘留 general-fortune lucky number count 综合运吉数个数 fixed-prize return rate 固定奖返奖率 red notice repatriation quarterly policy 红通人员归案季度政策 mid range recreational 中端休闲 reel factories sell tickets 渔轮厂售卖钓票 qualifier national exam 预选赛全国考级 industry white paper autumn market 行业白皮书发布秋季市场 downgrade vulnerability 降舱漏洞 metal anchor improvised repurpose 金属锚栓临时 repurposing microwave not heating licensed rebuild 微波炉不加热持证重建 molly bolt summer downtime molly bolt夏季停机时间 phone speaker broken mobile balancing 手机扬声器坏上门平衡 quick fix improvised flashing 权宜之计临时刷写 reckless makeshift tuning 鲁莽权宜调校 shady shop licensed downcycle 黑店持证降级再造