Android started by forking the kernel and writing its own user space mostly from scratch, and the community has duly condemned these moves.
Android一开始就自己单搞了一套内核，然后另起炉灶开发了自己的用户空间代码。内核社区适时地谴责了这种做法。
You can create your own space from scratch, or use a template with predefined widgets grouped together by function.
您可以从头创建自己的空间，或者使用模板，其中具有按功能分组在一起的预定义小部件。
Paying customers - primarily nations that do not have the money or expertise to build a space program from scratch - would arrive a year later.
空间站的付费客户——主要是那些财力不够或没有技术从头开始构建太空计划的国家——将在一年之后陆续浮出水面。
Designing a spacecraft from scratch, says the 24-year-old part-time engineer, one of five grad students attending what's billed as the only space-architecture master's degree program on Earth.
从头设计一个飞船，这个24岁的兼职工程师这么说，他是地球上唯一培养空间建筑大师的学位课程的5个本科生中的一个。
In fact, China's space sector has independently accomplished development from scratch to the world's most advanced level by totally relying on its own scientific forces.
事实上，中国航天事业从起步到成长，到跻身世界先进行列，都完全是依靠自己的科技力量独立自主、自力更生地完成的。
Path tracing is typically used in screen-space, so the image needs to be re-rendered from scratch in every frame.
通常，路径跟踪在屏幕空间中使用。因此，图像的每一个帧都要重新渲染。
Path tracing is typically used in screen-space, so the image needs to be re-rendered from scratch in every frame.
通常，路径跟踪在屏幕空间中使用。因此，图像的每一个帧都要重新渲染。
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