However, it is by no means clear that the interventions will be effective beyond a very short period, and they may be counterproductive.
然而目前还丝毫看不清楚，在经过很短一段时间后，这些干预是否还会有效，它们也可能起到反作用。
Receptionist: Yes, only within the effective period.
接待员:可以的，但只能在有效期内。
Although the most effective treatment involves a combination of drugs taken over a long period, even a single dose of treatment can cut the transmission rate by half.
虽然最有效的治疗方法是长期使用联合药物，但单剂量的治疗也能减少一半的感染几率。
Select the rule effective period.
选择规则的有效期。
The most effective thing Jamal's school did was to make kids sit next to students they didn't know during lunch period for a week.
假毛儿的学校做的效果最好的事情，就是在一整个星期的午饭时间让孩子们坐在陌生的孩子中间。
The ceiling increase becomes effective after the current ordering period, which ends Feb. 10, 2010.
最高限额的增加将在当前订单结束后即2010年2月10日生效。
With the staff of the agency, it can stimulate the enthusiasm of employees, the period for more effective management and implementation of reasonable pay and distribution.
在与员工的委托代理，则可以激发员工的积极性，对期进行更有效的管理，实行合理的薪酬分配。
The spokesperson added that the guideline had been effective as a prudential measure for maintaining stability in the banking system during a period of extreme volatility in property prices.
该发言人又指出，七成按揭上限指引是一项审慎措施，曾在物业价格大幅波动的期间，有效维持银行体系的稳定。
It is also said to be effective in curbing scalping, especially during the Spring Festival period.
据说，它也能够有效地遏制倒票，尤其是在春节期间。
Article55a passenger ship certificate shall be effective for a period as granted by the shipping administration authority depending on her seaworthiness; however it shall not exceed one year.
第55条(客船证书之有效期间)客船证书之有效期间，由航政主管机关视其适航性核定之。但不得超过一年。
Through analysis on the main factors that influence project quality in construction process, the effective control methods for project quality in construction period are narrated.
文中通过对施工过程中影响工程质量的主要因素进行分析，阐述了在工程施工阶段过程中，对工程质量进行有效控制的方法。
Interest expenses from the assets retirement obligations for each period are recognised with the effective interest method during the useful lives of the related oil and gas properties.
在油气资产的使用寿命内，油气资产弃置义务采用实际利率法确定各期间应承担的利息费用。
After a period of time effective movement.
通过一段时间的有效运动后。
In particular, we provide a number of points for useful Suggestions, how effective the beginning of a period of high-quality conversation.
我们特别为大家提供了几点有用的建议，怎么有效的开始一段高质量的谈话。
Using certification certificate and certification logo not according to the stipulations and having not taken effective rectification within the provided time period; .
未按规定使用认证证书和认证标志，且在规定的时间内未进行有效整改；
From practical experience, the establishment of a "cooling-off period" system is mandatory to prevent the effective methods of sales.
从实际经验，设立一个“冷却期”制度是强制性的，以防止有效的方法销售。
An enterprise shall continuously evaluate the effectiveness of hedging and ensure that this hedging is highly effective in accounting period in which the hedging relationship is specified.
企业应当持续地对套期有效性进行评价，并确保该套期在套期关系被指定的会计期间内高度有效。
Your brain can focus in a more targeted and effective way, all in a shorter time period.
你的头脑可以在目标明确、高效的方法下，并且在最短时间内，集中注意力学习。
The life or the effective period of a contract.
一项合约的有效时期或寿命。
Seller shall refer to Agent any inquiry or order for products Seller may receive from others in Territory during the effective period of this Agreement.
在本协议有效期内，对来自于区域内其他顾客有关代理商品的订单、询价，卖方都应将其转交给代理商。
Please use this product in the effective shelf-life period.
本产品请在有效保质期内使用。
C group, function refractory period and effective refractory period not obviously shortened after slow pathway ablation, tachycardia for 5 patients while following up.
组，慢径消融后其快径前传功能不应期和有效不应期缩短不明显，随访期间有5例复发心动过速。
As a contractor, it is necessary to learn about source of project risks, nature and rule of occurrence, especially in the bidding and contract period, effective management shall be available.
作为承包商应该了解和掌握项目风险的来源、性质和发生的规律，尤其在项目的投标及合同阶段应实行有效的管理。
As a contractor, it is necessary to learn about source of project risks, nature and rule of occurrence, especially in the bidding and contract period, effective management shall be available.
作为承包商应该了解和掌握项目风险的来源、性质和发生的规律，尤其在项目的投标及合同阶段应实行有效的管理。
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