Bicycle use was not included in the study but Newman noted that the two most "bicycle friendly" cities considered—Amsterdam and Copenhagen—were very efficient.
这项研究不包括自行车的使用，但是Newman注意到两个“对自行车最友好”的城市——阿姆斯特丹和哥本哈根——被认为是非常有效率的。
By the 16th century, a pendulum clock had been devised, but the pendulum swung in a large arc and thus was not very efficient.
到了16世纪，人们发明了摆钟，但钟摆摆动的幅度很大，因此效率不高。
Yet XM is not very efficient when processing these files.
但是，在处理这些文件时，XM并不十分有效。
This allows for very efficient range searching when key values are not sparse.
这样一来，当键值不是很稀疏的时候，就可以获得非常高效的范围搜索。
This approach of separately tracking each line works, but isn't very efficient.
这种分别跟踪每一行的方法虽然凑效，但其效率不是很高。
That means that one cached processor can be used by all users, which is very efficient.
这就意味着一个缓存的处理器可以被所有用户使用，效率很高。
Ext3's format is very efficient for small files but horribly inefficient for large files.
ext3的格式对小文件而言是很高效的，但对于大文件则恰恰相反。
E-mailing notes back and forth is not a very efficient way to collaborate with workspace members.
对于工作空间成员之间的协调，往返的电子邮件并非是一种非常有效的方式。
Waiting for a gas cloud to stumble into their vicinity isn't a very efficient means of hunting.
守株待兔地等待气体云闯入其领地可不是有效率的捕猎方式。
The Transformation Extender engine runs in the same process, enabling very efficient message processing.
Transformation Extender引擎在同一进程中运行，从而实现非常高效的消息处理。
The identifiers provide for a very efficient product search when they are relatively unique for a product.
如果标识符对于产品是相对惟一的，那么将有助于实现非常有效的产品搜索。
Therefore, if the optimizer's estimate is accurate, this access path should be a very efficient access path.
因此，如果优化器的估计是准确的，则此访问路径应该是一个非常有效的访问路径。
By arranging for most objects to survive less than one collection, garbage collection can be very efficient.
通过安排大多数对象的存活期不超过一个收集周期，垃圾收集可以变得非常有效。
However, even when just considering the accumulation of biomass carbon, an agroforestry system is very efficient.
不过，单从生物量碳积累来看，农林复合经营系统已经非常有效了。
A very efficient and well written application can use multiple CPUs with just a single application server process.
一个非常高效且经过精心编写的应用程序只通过一个应用服务器进程即可使用多个CPU。
Production of certain petroleum plastics is very efficient, leading to a relatively lower environmental footprint.
某些石油制塑料的生产效率极高，因此也有相对较低的环境足迹。
Symmetric algorithms are very efficient and work with a single key for both encryption and decryption calculations.
对称算法非常有效，并且可以与用于加密和解密计算的单一密钥一起使用。
It is very efficient and offers great fuel economy, and its only byproduct is water, so it's also a 'green' aircraft.
它非常有效，提供绝佳的燃油经济性，其唯一的副产品是水，所以它也是一架绿色飞机。
A new object is allocated from the end of this cache without the need to grab the heap lock, so it is very efficient.
新对象是从这个高速缓存的末端分配的，而不必获取堆锁，因此效率非常高。
But document models aren't a very efficient way of working with XML that's used to exchange data between applications.
但是对于处理在不同应用程序之间进行数据交换时所使用的xml来说，文档模型并不是一种非常高效的方法。
There may be some truth to this, but extending tax cuts to the rich is not a very efficient way of boosting the economy.
这当然可能是真的，但是延长对富人的减税政策并不是一种十分有效的刺激经济的方法。
Although this solution is generally very efficient, it has a blind spot when it comes to circular (or cyclic) references.
虽然这种解决方案总的来说还算有效，但在循环引用方面却存在一些盲点。
Sending every mouse movement might not be a very efficient use of the system, but it demonstrates the interactivity of Ajax.
如果在每次移动鼠标时都发送它的位置，那么系统的使用效率可能较低，但是这演示了Ajax的交互性。
After all, milk and eggs are very efficient ways of producing animal calories, second only to factory-reared broiler chickens.
毕竟奶和蛋是产生热量的非常有效的方式，仅次于工厂化饲养的肉鸡。
DB2 9 contains an XML database engine that works alongside the SQL database engine, and that makes XML queries very efficient.
DB 29包含一个XML数据库引擎，该引擎可以与SQL数据库引擎一起使用，这使XML查询非常有效。
In other words, while using classes with integer constants like this might be a passable solution, it's not a very efficient one.
换句话说，在使用这类带有整型常量的类时，该解决方案也许可行，但并不是非常有效。
Because it is based on the database logs it is very efficient in terms of performance compared with other methods of moving data.
因为它以数据库日志为基础，所以与其他移动数据的方法相比效率很高。
Changing the list of values (inlist) to use the GENROW function can be very efficient and can improve the performance of the query.
将值列表(inlist)改为使用GENROW函数非常有效，可以提高查询的性能。
You'll find that Nearest Neighbor fixes all those problems in a very efficient manner, especially in the example used above for Amazon.
而最近邻则可以非常有效地解决所有这些问题，尤其是在上述亚马逊的例子中遇到的这些问题。
"Security, speed, compliance, and flexibility" describe lighttpd (pronounced "lighty"), a small and very efficient alternative to Apache.
lighttpd(读音是“lighty”)是一种小型的、非常高效的Apache替代品，它具有安全性、速度、兼容性和灵活性。
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