Фото: Wahidullah Kakar / AP
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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.
为什么需要非线性？ 想象一下，如果网络里每一层都是线性的（比如 y=Wx+b），无论堆叠多少层，最终网络都只是一条线性映射。深度堆叠就没有意义了，网络的表达能力非常有限。
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They went to the international courts and were awarded huge sums in damages – $8.3bn in the case of ConocoPhillips – which have never been paid.
Joseph is currently being helped by a King's Trust youth support worker to help them find paid work.，推荐阅读搜狗输入法2026获取更多信息