entrance system的用法和样例：
例句
- It is setting up a uniform,standard and open foreign investment access system and reducing items subject to examination and approval.
建立统一规范公开的外商投资准入制度，削减对外商投资准入审批事项。 - However, at present, China's STD clinics agencies access system failure, and this treatment has brought a lot of difficulties.
然而，目前，我国性病诊疗机构的准入制度不全，这给治疗带来了不少困难。
