View the PDF for 14 CFR Part 25; These links go to the official, published CFR, which is updated annually. As a result, it may not include the most recent changes applied to the CFR. Learn more.

2016年9月21日 · CRF是264和265中默认的质量/码率控制设置。这个值可以在0到51之间，值越低，质量越好，文件大小越大。在x264上面，一般取值为18-28，默认值是23。在ffmpeg中，crf是这么使用的 ffmpeg-i input.mp4 -c:v libx264-crf 23 output.mp4 在x265中，默认的crf值是28 ffmpeg-i …

Displaying title 25, up to date as of 3/24/2025. Title 25 was last amended 3/21/2025. There have been changes in the last two weeks to Title 25. Choosing an item from citations and headings will bring you directly to the content. Choosing an item from full …

Like our factory racebikes, our 2025 CRF competition lineup features new vertically stacked CRF logos that look fast even sitting still. This handlebar-mounted button allows you to adjust the character of engine power delivery with your thumb. Choose Standard, Smooth, and Aggressive to suit track conditions or rider preference.

With its light and strong chassis, smooth single-cylinder engine, and electric starter, the CRF250F is the perfect family-friendly off-road trail bike. A single is the perfect choice for a bike like this – it's light, simple, and fuel-efficient.

Bred in the highly competitive world of professional supercross and motocross, the new Honda CRF250R is our most advanced competition machine to date. Lightweight, agile, and highly responsive, this powerhouse dominates even the most challenging tracks with its torquey engine and redesigned chassis. One lap, and you'll see why winners Ride Red.

CRF值越大码率越低，视频体积越小，画质越低。 范围为1-51。 值在18以下为无损，18-22为高质量，22-27为中等质量，51质量最差。 一般建议使用中等质量就可以了。 1、切换到音频，选择如下图的编码器和码率。 音频码率越小，压缩的就越多，体积就越少。 1、切换回 视频 选项卡下，点击 压制， 开始转码输出。 2、弹出日志对话框，进度条， 达到100%，代表成功。 弹出文件夹选项，选择刚才输出视频的保存位置，选择视频，双击添加进来。 格式选择FLV，然后 点 …

CRF是x264和x265默认的码率控制模式，在libvpx中也可以使用CRF。 CRF取值在0到51间。 取值越小质量越好压缩率越低，取值越大压缩率越高质量越低。

2025年3月21日 · Introducing the 2025 Honda CRF250RWE… An all-new model for the 2025 model year, the CRF250RWE brings the premium componentry used by Team Honda HRC to the quarter-liter category for the first time.

2024年12月12日 · The largest of Honda’s CRF-F trail bike family, the CRF250F is close to a full-size dirt bike, but retains a low seat height and comfortable suspension ideal for beginners and casual riders ...