The final step came when steam was introduced into the cylinder to drive the piston backward as well as forward, thereby increasing the speed of the engine and cutting its fuel consumption.
最后一步是将蒸汽引入气缸，使得活塞前后推动，从而提高了发动机的速度，降低了燃料消耗。
During a game, while sliding into third base, my cleat caught and pulled my foot to the right and backward as my body fell forward.
一次比赛，在进第三垒时，我的防滑钉被卡住了，身体朝前栽倒，脚腕却扭向右后方。
Shall we sway backward and forward, Mary, as if we were dervishes?
玛丽，我们要不要前后晃来晃去，就好像我们是托钵僧似的？
On the first day of school, Socrates told his students, "Today, we'll only learn one thing. That is to swing your arm forward and backward."
在开学的第一天，苏格拉底告诉他的学生：“今天，我们只学一件事情。那就是前后摆动你的手臂。”
Browse diagrams keep a history of the views it displays so that you can navigate forward and backward from each view.
浏览图可以保持它所显示视图的历史记录，因此您可以从任何一个视图向前或者向后导航。
The editing functionality means that you can go forward and backward through the command line currently displayed to make changes and correct typos.
编辑功能意味着您可以在当前显示的命令行中向前和向后移动，以做出更改或纠正输入错误。
As shown in the demo video (see Resources), these three-finger gestures are used to move forward and backward in the browsing history.
如演示视频所示(请参阅参考资料)，这些三指手势用于在浏览历史记录时向前和向后移动。
Our goal is to create a set of functional history buttons: backward, forward, and reload, which are shown in Figure 1.
我们的目标是创建一组可用的历史记录按钮：后退、前进和刷新，如图1所示。
In that sense, Internet use is like a periscope: When users age 50-plus put theirs up, researchers have found, they're looking both backward and forward, toward the past and the future.
在这个意义上，互联网的使用像潜望镜：当使用者年龄50余岁时，研究人员已经发现，他们也在向后和向前的寻找，面向过去和未来。
However, in some cases, you will need to read cursors both forward and backward, in which case you should use scrollable cursor.
但某些情况下，您需要游标既能向前又能向后，此时需要使用可滚动游标。
The backward and forward buttons on your browser's toolbar direct the browser from page to page.
浏览器工具栏中的后退和前进按钮指引着浏览器从一个页面移动到另一个页面。
So again, for this slightly more complicated problem, the ratio of the forward and backward rates are related to the equilibrium constant.
又一次对于这个稍微复杂一点的问题，正向速率和逆向速率的比，和平衡常数相关。
SMB uses retro and modern game-design elements with a gleeful gloss of gore and absurdity, producing a game that simultaneously looks backward and forward at the same time.
“超级肉球小子”用上兼具复古与现代的游戏设计元素，加上欢快表象下的血腥和荒诞，产生出一个同时既有回顾性然而又有前瞻性的游戏。
Naturally, the user can move forward and backward, and can even return to a favorite one by bookmarking it.
自然，用户可以来回切换，甚至能通过书签功能返回喜欢的图片。
When clicking the backward and forward buttons for the application, we won't be adding new events to the stack but we will be moving the pointer within the stack.
单击应用程序的后退和前进按钮时，不会在堆栈中添加新的事件，而是移动堆栈的指针。
You will also write navigation to help the user mover forward and backward through the image list.
还要编写导航，帮助用户在图像列表中来回移动。
Hummingbirds are well known for their wing speed and ability to hover and fly forward and backward with more precision than a helicopter.
众所周知，蜂鸟的翅膀拍打速度极快，它即可以凌空悬停，也可以快速向前飞行和向后飞行，其飞行的精准度甚至超过了直升机。
Practice moving forward and backward through your slides.
要练习前后移动幻灯片。
When adding the backward and forward button handlers, you will also see that this function is called to update the page from the event IDs we have been saving to the history stack.
添加后退和前进按钮处理程序时，还将调用该函数，根据保存到历史堆栈中的事件ID来更新页面。
Forward and Backward Movements.
前进以及后退。
Afterwards, I went toward the yard and looked upward, downward, inward, outward, forward and backward.
后来我走向院子，向上下内外前后看。
Backward, forward, and reload buttons common to Web browsers can be added to our applications to navigate our custom history stack.
可以在应用程序中添加Web浏览器上常见的后退、前进和刷新按钮来导航自定义的历史堆栈。
More extensive commands, such as going backward and forward by words, are controlled by the Readline library that supports both vi and emacs bindings by default.
更广泛的命令(例如按单词向前和向后移动)可以通过readline库来控制，该库在缺省情况下同时支持vi和emacs绑定。
Also, Samsung replaced the function keys with backward, forward, and refresh buttons, along with ones for toggling between windows and entering / exiting full-screen mode.
在功能键部份， Samaung采用与CR-48 相同的设计，具备上下页、更新页面、切换窗口、进入／跳出全屏幕模式等功能键。
Forward and backward navigation through search results and marks.
通过搜索结果并标记来进行前向和后向导航。
The ext4 file system is designed as a backward - and forward-compliant replacement for ext3fs but with many new advanced features (some of which break the compatibility).
Ext4文件系统被设计为具有向前和向后兼容性，但它具有许多新的高级特性(其中的一些特性破坏了兼容性)。
The go method, defined in Listing 4, will allow us to move backward and forward in the stack.
清单4中定义的go方法允许我们在堆栈中来回移动。
Table 3 shows the backward and forward compatibility of 32-bit and 64-bit applications on the different releases of RHEL and sles.
表3显示了32位和64位应用程序在不同的RHEL和SLES版本上的向后和向前兼容性。
We click the browser's back and forward buttons and the browser navigates backward and forward through the history of pages we've seen.
如果你点击浏览器上的前进和后退按钮，浏览器就会根据你看过的页面历史向前或向后进行导航。
Click the browser's back and forward buttons and the browser navigates backward and forward through the history of pages you've seen.
点击浏览器的前进和后退按钮，浏览器就会在你的浏览历史中向前或向后导航。
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