The appearance of the stated plastic layer 4 is consistent with the existing nut.

上述塑料层4的外形与现有的螺帽一致。

youdao

An ADC is ideally poised to perform content caching because it is usually parsing the headers anyway — assuming that it is configured to operate in layer 7 mode rather than layer 4 mode.

ADC 是执行内存缓存的理想选择，因为它通常能够始终解析报头（假设其配置为采用 7 层模式而非 4 层模式操作）。

youdao

The front-end(FE) in the cluster distributes the requests to back-ends(BE) according to the layer-4 load balancing policy.

集群前端使用基于第4层的负载平衡策略将用户请求分发给后端；

youdao

The MIM 2220 is a predictably average machine that sports a 15.4-inch WXGA display, a dual-layer DVD burner, WiFi, 256MB of RAM, 40GB HD, and a trio of USB 2.0 ports along with a FireWire connector.

ENGADGET: Medion offers personalized laptop on the cheap

By bringing virtualization up from the hardware layer, we see is companies can run 2, 3 4 or even 8 times more Java apps per server.

FORBES: Lousy London Economy Good For A Data Center Density Enhancer

In a talk that was at times nostalgic, Crowley showed how Foursquare had evolved over the last 4 years from an app that looked to gamify check-in into a location layer that could allow the company to build predictive searches.

FORBES: Foursquare Shifts To Search