刷新屏幕

To render and display the scene, the sample code in this step clears the back buffer to a blue color, transfers the contents of the back buffer to the front buffer, and presents the front buffer to the screen.

为了渲染和显示场景，这段示例代码在这一步中清除了背景缓存，并填充上了蓝色，将背景缓存转换到前景缓存，将前景缓存刷新到屏幕上。

To refresh your memory I have included a screen shot of the database schema.

要刷新你的记忆我已经包括了对数据库模式的屏幕快照。

For one, screen refresh times are relatively slow (which can result in "ghosting" for fast-moving images).

例如，屏幕的刷新时间较慢（这会造成快速物体显示时的重影现象）。

However the issue here is the whole screen refreshes when country is selected to get the state.

但这里的问题是整个屏幕刷新时，选择的国家获得的状态。

It provides sharp contrast, speedier screen refresh and doesn't lose your cursor when you move it fast.

它使用鲜明的对比、更高速度的屏幕刷新，在你快速移动光标时不会丢失光标。

The result indicated that this design has solved the problem of high-speed requirement for the control system,which is caused by the pixel time division multiplex access in the LED virtual display panel, guaranteed the displayers refreshing speed,meanwhile reduced the real color display systems complexity.

结果表明，设计方案解决了LED虚拟显示屏由于像素分时复用而带来的控制系统速度要求提高的问题，保证了屏幕的刷新速率，同时还降低了真彩显示系统的复杂性，能够保证画面的有效实时显示，具有较强的实用性。

The speed that the monitor redraws images on the screen is called the refresh rate .

显示器在屏幕上重画图片的速度称为刷新率。

In short, I remain absolutely blown away by the device's performance. Nearly no lag at all, and near-instantaneous screen transitions and redraws were seen all around, everything has a very snappy and fluid feel to it.

简单的说，pre的处理能力完全把我震住了：运行完全没有迟滞，大多数屏幕过渡和刷新在瞬间就完成，一切都是那么的爽快而充满流动感。

"This is good entertainment," said Mr Li, as he searched for trends in the winning numbers flashing up every five minutes on the Happy Pool hall's overhead television screens.

&这是种很好的娱乐方式，&李日顺一边说，一边探究着中奖号码的走势，这些号码每隔5分钟就会在Happy Pool大厅上方的电视屏幕上刷新一次。

These aid s make on-screen information available as synthesized speech or a refreshable Braille display.

这些辅助功能将屏幕信息转换成合成语音或可刷新的盲文显示。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。