弄虚作假要不得，形式主义要不得。“形式主义实质是主观主义、功利主义，根源是政绩观错位、责任心缺失，用轰轰烈烈的形式代替了扎扎实实的落实，用光鲜亮丽的外表掩盖了矛盾和问题。”
If you’re into wide-format instant cameras but don’t want to spend $409.95 — or prefer a more traditional analog experience — the $175.95 Instax Wide 400 is a solid pick. The basic point-and-shoot produces similar stills to the Wide Evo, and in some ways, it’s easier to use, thanks to its stripped-down feature set. That simplicity, however, comes at the cost of customization, making it harder to capture the perfect shot. It also swaps an LCD display for a large viewfinder and is noticeably heavier than the Instax Mini Evo. Nonetheless, if you’re after wide prints at a more affordable price, it’s a worthwhile option.，更多细节参见服务器推荐
Optical-based smoke alarms use light instead. They are slightly better at detecting the large smoke particles created by slow, smouldering fires. When such particles enter a chamber in the device, they scatter light from a small light source, which is then picked up by a photoelectric sensor.，详情可参考搜狗输入法下载
ВсеНаукаВ РоссииКосмосОружиеИсторияЗдоровьеБудущееТехникаГаджетыИгрыСофт。关于这个话题，同城约会提供了深入分析