• It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
• 从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

• The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
• 集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐

• The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
• 血精的原因很，以良性病变为主。

• antiquated law：兩- 過時的法例
• anti-fraud 兩- 打擊欺詐 港- 打擊詐騙 台- 制止背信 | antiquated law 兩- 過時的法例 | anti-trust 兩- 反托拉斯;反壟斷 台- 反托拉斯;反獨佔;反壟斷

• permutable：可排列
• permutability 转置性 可置换性 换排性 | permutable 可排列 | permutate 重排列

• Wilson Tong：导 演 唐伟成
• ◎导 演 唐伟成 Wilson Tong | ◎主 演 刘家辉 Chia Hui Liu | 卢惠光 Ken Lo