DF
英
美
abbr. 不会损坏的(Damage Free); 数据区(Data Field); 昼间战斗机(Day Fighter)
复数：dfs
BNC.27776
双语例句
- The value given is the size of the file in the default block size for that system, just as that used with df.
得到的值是文件的大小，单位为该系统中的缺省块大小，与df所使用的单位相同。 - Using the df command, you can look at all mounted file systems or specific file systems.
使用df命令，您可以查看所有已挂载的文件系统或者特定的文件系统。 - You can determine the free space and usage for entire file systems using df, but this only gives you part of the picture.
使用df，您可以确定整个文件系统的空闲空间和空间使用情况，但这只是描述了部分信息。 - You can check the mounted file systems using df.
您可以使用df来检查加载的文件系统。 - Or, the following uses df to show the space on a user's home directory
或者，下面使用df显示了一个用户的home目录的空间信息 - The df command confirmed that the snapped file system was mounted.
df命令确认挂载了快照文件系统。 - The df tool is actually short for disk free, and that is precisely what the tool shows.
df工具实际上是diskfree的缩写，并且这也正是该工具所显示的内容。 - Most modern df variants show disk space, usage and availability, and usually the mountpoint ( and sometimes the device).
大部分现代的df变种都可以显示磁盘空间、使用情况和可用性，通常还包括装入点（有时包括设备）。 - To monitor this, you can view the output of the df.
要监视是否发生了这种情况，您可以观察df的输出。 - Looking at the output of the df command, you can tell that the directory/ usr/ bin is contained in the/ usr file system and that the/ usr file system is inside the logical volume/ dev/ hd2.
查看df命令的输出，您可以发现，目录/usr/bin包含于/usr文件系统中，并且/usr文件系统位于逻辑卷/dev/hd2之中。 - Depending on your UNIX environment, the default output from df might contain a range of different information.
根据您的UNIX环境的不同，df的缺省输出可能包含各种不同的信息。 - Df gives space utilization information about each filesystem.
df给出关于每个文件系统的空间利用率的信息。 - For example, you can repeat the df check using this script
例如，您可以使用这个脚本重复进行df检查 - High stability of capacitance and DF versus temperature and frequency.
电容量和损耗因数随温度和频率的变化小，稳定性好。 - And now I have a relation between df and dt.
现在得到了df和dt的关系。 - Th e simulation shows the results is correct and can be used to design and optimize the whole digital wideband DF system.
仿真实例表明，该结论正确，并可以指导数字化宽带测向系统整体设计和优化。 - The DF chemical laser, adopting the Hypersonic-Low Temperature ( HYLTE) nozzle in linear array form, was numerically studied.
利用数值模拟方法对采用高超音速低温喷管（HYLTE）线性阵列DF化学激光器进行了研究。 - This paper analyses the performance of multi-relay parallel scenario with AF, DF and CC, respectively.
分析了多中继并行协同分集方式的性能，分别对前向放大、前向检测和编码协同技术开展研究。 - DF outbreaks in Guangzhou, Fuzhou and Ningbo were selected to investigate the lag effect of weather factors on the outbreaks with the cross correlation analysis.
广州、福州和宁波的天气因素被用于交叉相关分析，根据天气和登革热疫情的时间关系，构建了我国登革热流行的气象风险地图。 - Research on Optimal Design Approach of Multi-band FIR DF in Frequency Domain
多通带FIRDF频域优化设计方法研究 - The article describes how DF concept is used in the design of pressure feeders in small-diameter deep-hole drilling process.
介绍如何应用DF系统原理设计小直径深孔加工中吸压送水器的问题。 - DF is a very important file formats, so you're sure to find an expert on this matter.
DF是一个非常重要的文件格式，所以你一定要找到一个这方面的专家。 - Study on Low Constant Speed Control of DF_ ( 8B) Diesel Locomotive
DF（8B）型内燃机车低恒速控制研究 - Analysis on the Reliability of DF_ ( 21) Diesel Locomotive and Study on the Inspection and Repair System
米轨DF（21）型内燃机车可靠性分析及修制的研究 - DF Deep Hole Drilling Machine Electro-hydraulic Servo Control System Design and Research
深孔钻床电液伺服控制系统的设计与研究 - Secondly, DF and AF have similar power allocation schemes to optimize the SER performance.
在优化系统误码率（SER）性能方面，二者具有基本类似的功率分配方案； - You did not make a DF self-deviation curve table.
你没有做无线电测向仪自差曲线表。 - Using differentials means that we will try to express df in terms of dz in this particular situation.
利用微分法我们可以，表示出这种情况下的df和dz的关系。 - Radio Direction-Finding Integrated Mobile Vehicle& Research on DF Accuracy
VHF/UHF无线电监测测向移动车的集成与提高测向定位精度研究 - I told DF just go and we will be OK.
我对他说，走吧，我们都会好好的。