The other alternatives are attractive in theory but in practice are either impractical or offer only marginal improvements.
其他替代方案在理论上很有吸引力，但在实践中要么不切实际，要么只能提供微不足道的改进。
Most vendors offer only 90-day warranties on lamps.
大多数厂商只提供90天灯的保证。
Those 800 inefficient plants offer only a 25 percent improvement.
剩下的800多座效率偏低的燃气发电厂仅比燃煤发电厂清洁25%。
However, existing protocols for multicast offer only partial solutions.
然而，现在的组播协议仅提供部分解决办法。
"We used to offer only weiqi and Chinese chess in our club, " says Wang.
“以前，我们社团里只有围棋和象棋，”王峰说。
Yet, existing security protocols for multicast offer only partial solutions.
然而，现有的组播安全协议仅能提供部分的解决方法。
SCM is based on the description of this script, offer only possible attributive serves to these.
SCM基于这个脚本的描述，只提供可以的权限给这些服务。
The integration of methods described in previous papers [b] seems to offer only AD hoc solutions.
以前的论文中描述的集成方法似乎只提供临时解决方案。
Don't offer too many brands: offer only a few, but produce in quantity to exploit economies of scale.
不要推出太多品牌：只推出一些，但是产量力争取得规模效应。
No remote-control or DVR-programming features yet, and it will offer only about 36 channels in the first version.
没有遥控或录制功能，在最初版本里只提供36个频道的节目。
Therefore, our offer only stands for 4 weeks and delivery can be made within 5 weeks after receiving your order.
因此，我方报价的有效期仅为4个星期。而且，收到订单后5个星期才能发货。
However, the Commons Administration Committee controversially decided last year that it would offer only bottled water in meetings.
然而去年下院管理委员会有争议地决定在会议上只供应瓶装水。
Review articles and book chapters that discuss sports-related dermatoses are too general and often offer only cursory information.
如果查阅一般的文章或图书，其中涉及的运动相关皮肤病都比较简单而粗略。
But the West generally, with its foxy ladies and 20th century Hollywood conglomerates, can offer only relatively threadbare comparisons.
但是在当今的西方，经过狡猾妇人跟20世纪好莱坞的混合加工，只能做相近的对比了。
This enhanced the impression that a bank's private-wealth clients were getting an exclusive offer only available to a select group.
这也加深了人们的如下印象：只有银行的个人理财客户才能获得这一只对特定人群提供的优惠报价。
Nearly all downloadable music stores offer only unprotected and standardised MP3 or AAC formatted audio, which can be played on any device.
几乎所有可供下载的音乐商店里提供的都是未设保护机制的标准MP3或者是AAC格式的音频，它们能够在任何设备上播放。
Yet in the past few years a backlash against bottled water has gathered pace, with some upmarket restaurants deciding to offer only tap.
然而在过去的几年中，对瓶装饮用水的集体抵制势头已逐渐增强。一些高级餐厅决定只向顾客提供自来水。
The shipping arrangements in your offer are not acceptable. We can accept your offer only if you adhere to our wishes regarding shipping.
你方报价所列装船安排无法接受。只有你方按照我方的意愿安排装运才能接受你方报价。
And even some of those drugs offer only a few months at most of extra life or tumor stabilization despite prices that often reach thousands of dollars a month.
有些药只能延长患者几个月的生命或只是维持肿瘤不扩散，这些药的价格也动辄数千美元。
If they knew the depth of each customer's pockets in advance, they could offer only first-class tickets to the wealthy, and better-value tickets to everyone else.
如果事先知道每一位客户的钱包的深浅，他们可能只给富人提供头等舱机票，给其他人提供性价比更高的机票。
In fact, some of the states that most avidly execute prisoners, such as Texas and Oklahoma, have higher crime rates than states that offer only life in prison without parole.
事实上，在热衷处死囚犯的那些州——比如德克·萨斯和俄克拉荷马——其犯罪率比那些只监禁犯人而不提供假释的州高多了。
Instead, the first increment of your system might offer only one item for sale, deliver to only one address, and perform only a test transaction with the payment service.
相反，您的系统的第一个渐进式要求可能仅提供一件待售商品，仅交付到一个地址，并且仅进行一次具有支付服务的测试交易。
And the 2005 Dietary Guidelines for Americans recommends that schools offer only unflavored 1-percent or nonfat milk because even milk can be unhealthy if it's loaded with sugar.
而美国2005年饮食指南建议学校只提供含人工添加剂低于百分之一或者脱脂的乳制品。因为即使是乳制品也会由于加糖变得不健康。
Before installing a server, you need to determine whether your server will offer only standard Linux services or host additional services like any database or specialized applications.
在安装服务器之前，您需要确定自己的服务器是否只提供标准的Linux服务器，还是要宿主诸如数据库或专用应用程序之类的其他服务。
Before installing a server, you need to determine whether your server will offer only standard Linux services or host additional services like any database or specialized applications.
在安装服务器之前，您需要确定自己的服务器是否只提供标准的Linux服务器，还是要宿主诸如数据库或专用应用程序之类的其他服务。
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