VFS provides a common file model that the underlying file systems inherit (they must implement behaviors for the various POSIX API functions).

VFS提供一个由底层文件系统(它们必须为各种POSIX api函数实现行为)继承的通用文件模型。

youdao

In this unified file model, users should never be forced to confront the internal mechanisms of the computer-it is the file system's job to manage writing data between the disks and memory.

在这样的统一文件模型中，使用者永远也不应该被强迫面对计算机的内部机制——在内存和磁盘上管理数据是文件系统的本职工作。

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The complete path to the source file (model).

源文件(模型)的完整路径。

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The NextEngine native model file is SCN or Mesh.

FORBES: 3D Scanner from NextEngine Makes it Possible to Capture an Object

Anyway, we'll be talking more about the high-tech license plates on "Marketplace" later today, and we'll also be looking at another development in the business world: how the music industry is creating a new business model using file-sharing networks.

NPR: The Marketplace Report: U.K.'s Car Tracking System

But Sony has added one key feature: the new model now supports the AAC file format, which Sony is in the process of adding to all new players.

ENGADGET: Sony NW-E005 flash Walkman with AAC support