这些层可以被动态的增加或删除，你也可以对这些层进行改动，因为每层都有一个轨道，你可以在轨道中的特定时间点加入关键帧到达改变动画的目的。
These layers and be added or removed dynamically and you can change each layer as it has a track that lets you change it as a function of time by inserting keys at certain frames in the track.
该函数按时间反向移动各帧，从图像序列的最后一幅到最前一幅。
This function moves each frame back in time from the last image in the sequence to the first.
因此，帧在时间上是反向播放还是正向播放，取决于按下了哪一个鼠标按键。
As such, consider making the frames play backward or forward in time depending on which button was clicked.
视频的多个时间帧有潜在的重叠，因此在呈现前的步骤中需要特别注意。
Drawing frames of video at various positions in time that are potentially overlapping requires special consideration in the pre-rendering steps.
鼠标按下时间越长，帧回退得越远。
Send the frames further back in time the longer the mouse button is pressed.
发生时间弯曲是因为这张图是对夜空曝光4小时的单帧照片，结果可见显著的星迹。
The time warp occurs because this image captured in a single frame a four hour exposure of the night sky. As a result, prominent star trails are visible.
基准性能表明平均响应时间为37.6毫秒(请看jmeter帧的右下角)。
The baseline performance shows an average response time of 37.6 milliseconds (see lower right-hand corner of the JMeter frame).
所有这些事件都发生在近乎相同的时间帧上，这从TIMESTAMP字段很接近的值可以看出。
All of these events happened around the same timeframe, as is demonstrated by the close proximity of values in the TIMESTAMP field.
当失真门户的结束帧沿时间反向移动时，介于结束帧与当前帧之间的帧分散在失真发生区域。
As the distortion-portal end frame moves back through time, the frames in between are spread across the available distortion zone.
循环的下一部分控制像素坐标的设置，条件是当前时间帧在起始帧之后。
The next loop section controls setting pixels coordinates only if the frame at that position is greater than the start frame.
目前，大多数数据分析的结果就像是动画中的一帧：某一时间点上的快照。
Today, the result of most data analysis resembles a single frame from a motion picture: a snapshot of one point in time.
每天在同一时间、同一地点拍一幅太阳照片，每周一至两次，产生30至50帧画面，制作而成8字曲线照片。
Analemma photographs are made by taking a picture of the sun from the same place at the same time of day once or twice a week, generating 30 to 50 frames.
帧间预测是视频压缩的关键技术之一，能有效消除视频编码中的时间冗余，降低编码码率，提高编码效率。
Interframe prediction is key to video compression and can effectively eliminate the time redundancy of video coding, reduce coding rate and enhance coding efficiency.
你可以使用PageUp和PageDown键来以帧为单位移动时间标尺，另外，如果想要更快移动，加按Shift。
Also to refine that you can use the Page Up and Page Down keys to move frame by frame within the timeline, and adding shift to the mix moves you 10 frames either way.
分析器窗口，在时间轴上显示数据，所以你可以看到帧或区域峰值（比其他需要更多的时间）。
The Profiler window then displays the data in a timeline, so you can see the frames or areas that spike (take more time) than others.
上海图书馆的研究人员花费了一年的时间来筹备此次活动，从共计10万张老照片中，披沙拣金，精选千余帧，并有相关文字介绍以飨读者。
The exhibited photos are drawn from the book. Shanghai Library researchers started preparing for the event about a year ago.
只要选择对时间线，重新构成了钻机的第一帧。
Simply select the first frame on the time line and re-pose the rig.
针对令牌传递与数据帧通信提出确有实效的时间参量软件控制方法。
In accordance with the token passing transmission and data frame communication, a effective software control method in time domain is proposed.
编码器首先由预设值的帧持续时间计算出帧大小，然后拿结果的采样数与帧大小限定的值作比较。
The encoder first calculates the frame size for the preset's frame Duration and then compares the resulting sample count with the frame size Limit value.
如果你要编辑一个关键帧，你要先选中节点，然后把时间标记移动到关键帧的时间点上。
You edit a specific keyframe of a node by moving the time marker to the time of the keyframe and selecting the node.
在时间轴中的任何地方按一下，分析器窗口的底部区域会显示选定的帧的详细信息。
By clicking anywhere in the timeline, the bottom section of the Profiler window will display detailed information for the selected frame.
咕噜模型渲染一帧大概需要8分钟时间，而树胡模型渲染一帧需要花去大约48小时的时间。
One frame of Gollum would take around eight minutes to render, while one frame of Treebeard could take up to 48 hours to render.
这些关键帧，然后在时间线调整，以便在箱子边折叠起来顺序。
These keyframes are then adjusted in the timeline so that the sides of the box fold up sequentially.
CID照相机的“冻结帧”或者止动装置能力使得其能够精确的捕捉并读取不同时的高速时间。
The stop motion or "freeze frame" capability of CID cameras enables them to accurately capture and read asynchronous high-speed events.
帧处理由”不管三七二十一，反正我搞完了“，变成了高度组织，严格按照时间表执行。
Frame processing has moved from "Yeah whenever we get around to it, " to a rigidly scheduled, highly organized affair.
你可能不知道为什么我为每段渲染拷贝出一帧作为代理帧，在你的电脑上，这将在合成操作中节省我们很多时间和空间。
You may have been wondering why I reminded you to keep a copy of one frame from each render pass, locally on your machine.
同时，通过动态调整系统每帧的规划时间，可同时达到非线性函数局部线性化和限时求解的双重目的。
Then by changing the programming time of every frame, local linearization of the nonlinear function and time-critical computing can be achieved simultaneously.
以秒计算，完成最后一帧的时间（只读）。
The time in seconds it took to complete the last frame (Read Only).
数据帧的等待传输时间（延迟）的均值和二阶矩是衡量一个实时通信网络的重要的性能参数。
The mean and second moment of frame's waiting time are important performance parameter for real time communication network.
一个时间功能节点是用于返回当前帧的数值。
A Time utility node is used to return the current frame value.
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