第二十一

Article 21 Used mechanical and electrical products as mentioned in these Measures refers to mechanical and electrical products that have already been used (including reconditioned products).

第二十一条本办法所称旧机电产品，是指已经使用过包括翻新）的机电产品。

This is that are what article 21 stipulates that from Organic Law of the People's Courts.

这是由人民法院组织法第二十一条所规定的。

Article 21 After obtaining the regular passport or the entry-exit pass, a citizen shall sign his name on the signature box for the holder.

第二十一条公民领取普通护照、出入境通行证后，应当在持证人签名栏签署本人姓名。

Eg:So we were in our twenty-first night adrift-the night in which the tramp Croton finally picked us up.

原来我们已经进入了第二十一夜的海上漂流，也就是后来&克洛顿&货船把我们从海上救起的那天夜里。

Article 21Air corridors shall usually be established over areas in the vicinity of large and/or medium-size cities with a concentration of aerodromes.

第二十一条空中走廊通常划设在机场密集的大、中城市附近地区上空。

Article 21 The manufacturing process of boilers, pressure vessels, pressure pipeline components, cranes and large entertainment facilities, and the installment, reform and major maintenance process of boilers, pressure vessels, elevators, cranes, passenger cableways and large entertainment facilities must be subject to the supervision and inspection carried out, according to the requirements of the safety technical code, by the inspection and testing institutions approved by the department of safety supervision under the State Council; the equipment may not leave the factory or be delivered for use until they have passed the supervision and inspection.

第二十一条锅炉、压力容器、压力管道元件、起重机械、大型游乐设施的制造过程和锅炉、压力容器、电梯、起重机械、客运索道、大型游乐设施的安装、改造、重大维修过程，必须经国务院特种设备安全监督管理部门核准的检验检测机构按照安全技术规范的要求进行监督检验；未经监督检验合格的不得出厂或者交付使用。

If it finds any imported or exported goods involve any IPR filed at the GAC and the use of relevant IPR of the importer or exporter or manufacturer has not been filed at the GAC, it may require the consigners or consignees to declare the conditions of IPR of their goods and submit relevant certification documents within the prescribed period.

第二十一条海关对进出口货物实施监管，发现进出口货物涉及在海关总署备案的知识产权且进出口商或者制造商使用有关知识产权的情况未在海关总署备案的，可以要求收发货人在规定期限内申报货物的知识产权状况和提交相关证明文件。

Article 21 Any unit or individual shall not damage or arbitrarily use, dismantle and stop using fire control facilities and devices, and shall not bury and occupy hydrant, occupy fire prevention space and block fire control passageway.

第二十一条任何单位、个人不得损坏或者擅自挪用、拆除、停用消防设施、器材，不得埋压、圈占消火栓，不得占用消防间距，不得堵塞消防通道。

Article 21 Any unit or individual shall not damage or arbitrarily use, dismantle and stop using fire control facilities and devices, and shall not bury and occupy hydrant, occupy fire prevention space and block fire control passageway.

第二十一条任何单位、个人不得损坏或者擅自挪用、拆除、停用消防设施、器材，不得埋压、圈占消火栓，不得占用防火间距，不得堵塞消防通道。

Article 21 The State encourages and supports enterprises to use high-efficient oil-saving products.

第二十一条国家鼓励和支持企业使用高效节油产品。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。