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- Watermark sequence is arranged as a circular ring and embedded in the middle region of the image's frequency spectrum. After cropping attack the watermark is still extracted by processing the cropped image someway,without the original image. 该算法将水印序列排列成圆环状嵌入在图像频谱的中频位置;在图像遭到剪裁攻击后;通过对图像做一些处理;仍然可以正确检测水印;且不需要原图像的支持.
- Rice is the chief crop in most southern provinces. 稻子是大多数南方省份的主要作物。
- The grain crop has gone down this year. 今年的粮食作物产量下降了。
- We have had the biggest wheat crop ever this year. 今年我们的小麦收获量是有史以来最好的。
- Half the fruit crop froze out in the sudden cold. 一半的水果作物在突如其来的寒流中被冻死。
- The article is a savage attack on her past action. 那篇文章对她过去的行为进行了恶毒的攻击。
- A vein of gold was seen cropping out. 可以看见一条金矿矿脉露出地面。
- One squadron peeled off to attack enemy bombers. 一中队战机脱离编队攻击敌轰炸机群。
- Rice is the chief crop in this ares. 稻子是这一地区的主要作物。
- We had a poor crop of raspberries this year. 今年我们的悬钩子歉收。
- The farmer paid 3 laborers to gather the crop. 农场主雇佣3名工人收割庄稼。
- She had an attack of indigestion yesterday. 她昨天消化不良。
- The commander chalked out his plan of attack. 司令官对进攻计划作了粗略的介绍。
- The attack on Pearl Harbor was a crushing calamity. 偷袭珍珠港(对美军来说)是一场毁灭性的灾难。
- Part of every crop is saved for seed. 每一种庄稼都留一部分作种子。
- The attack would bog down sooner or later. 进攻迟早会陷入停滞状态。
- His shot beat the goalkeeper neck and crop. 守门员根本挡不住他射门。
- An attack of fever carried Gary off. 加里突然患了一种热病，不幸死亡。
- He fell neck and crop off the horse. 他从马上倒栽葱地摔了下来。
- The bacillus can attack us from many ways. 细菌能从许多途径侵入我们。
