File descriptors are low-level interfaces to input and output.
文件描述符是低层的输入和输出接口。
They are ultimately applied to the transformation of input data, which may be of low quality, into an output with a higher level of consistency and quality.
它们最终应用于输入数据的转换，这可能质量很低，得到具有较高一致性和质量的输出。
The user doesn't see all the low-level code executions to handle single or multiple commands but rather a very simplistic input, output, and error.
用户不会看到处理单个或多个命令的所有底层代码的执行情况，而是看到非常简单化的输入、输出和错误。
When we think about the long process of our English study and the level of our mastery of this language that we have reached, we should say that the input and output ratio is too low.
想想我们学习英语的漫漫之路和我们对英语掌握的程度，应该说我们的投入与产出比太低了。
If welding procedure tests have been performed at both a high and a low heat input level, then all intermediate heat inputs are also qualified.
如果焊接工艺试验在高热输入值和低热输入值下进行，那么，中间的热输入也应合格。
The technology level analysis showed that low technology level and relatively lower recycling rate caused large quantity of resource input and pollution discharge.
技术水平分析表明，技术水平低、循环利用率相对较低，使得资源投入、污染排放量大。
The low switch (10dB) will activate only when the microphone has a large input level of audio.
只有当喇叭筒有一个声音的大输入水平的时候，低的开关 （10个分贝）将会刺激。
The overall input level of education is low, and the rural elementary education input shortage is even more prominent.
目前我国农村基础教育投入还存在众多问题，整体教育投入水平低，尤其是农村基础教育投入不足更为突出。
The results showed that (1) supplementary energy input, energy transformation efficiency and output energy of farming sub-system were still in low level .
结果表明：（1）种植业亚系统的人工辅助能投入和能量的产出都在逐年迅速增加，但能量的投入和产出均处于较低水平，能量利用效率低。
The key factors of the regional storm and hard rain are the input capacity of low-level moisture.
故低层水汽输入量的大小是该区能否产生区域性大暴雨、特大暴雨的关键。
The main study contents of Computer vision include input device, low level vision, middle level vision, high level vision, and system architecture.
计算机视觉的研究内容主要包括图像输入设备、低层视觉、中层视觉、高层视觉和体系结构等五个方面。
Only the frequency of the input signal locates in the low frequency region, can the signal be selected by a proper noise level to produce SR phenomenon.
输入信号的频率只有位于噪声能量集中的低频区域，才有可能使输入信号被适量的噪声选择而产生随机共振现象。
Low-level input and output calls do directli function stream not buffer or format data.
低级输入输出对数据不进行缓冲或格式化。
Low-level input and output calls do directli function stream not buffer or format data.
低级输入输出对数据不进行缓冲或格式化。
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