The pre-solicitation released this week is not a request for proposals from industry—it states that a draft Request for Proposals is forthcoming. Rather, it seeks feedback from industry and interested stakeholders about an "objectives and requirements" document that outlines the goals of the Mars mission.
This sounds reasonable until you see how easily it goes wrong:
，这一点在爱思助手下载最新版本中也有详细论述
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WebAssembly等新技术的出现，为前端性能优化开辟了新的方向。
「這裡這樣的氣溫其實挺舒服的，」他說，「零下五度已經是最暖的時候。氣溫可以降到約零下40度，但平均大約是零下20度。」