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- By utilizing secondary DCT and the visual masking of HVS, the watermark can be embedded adaptively into the DCs (Direct Coefficient). 算法以二次DCT变换为基础，能够将水印信息嵌入到DCT直流系数中，并可根据HVS(人类视觉系统)亮度掩蔽模型，对水印嵌入强度自适应调节。
- I am so ashamed of confusing the two concept:directivity pattern and directivity coefficient. I感到很混淆这两个概念：指向模式和方向性系数惭愧。
- In a little while we lost our sense of direction. 一会儿我们就辨不清方向了。
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- The signpost points in a westerly direction. 路标指向西。
- I'll book you on a direct flight to London. 我将为你预订直飞伦敦的航班。
- Are we going in the right direction? 我们走的方向对吗？
- Stones were flying about in every direction. 石块朝四面八方乱飞。
- Note: Underlined parts are direct path coefficient. 注:划线的为直接通经系数。
- He pointed vaguelyin my direction. 他粗略地朝我的方向指了指。
- The play came to life under his direction. 在他的导演下，这出戏演得活龙活现。
- Which direction does your room face? 你的房间面向哪个方向？
- The ship launched in the direction of Japan. 船起航前往日本。
- He has chosen the most direct route. 他选取了最直的路线。
- Continue in this direction until you see a sign. 一直朝著这个方向走就看见指示牌了。
- Research on direction coefficient of steel fiber in sprayed steel fiber reinforced concrete 湿喷钢纤维混凝土钢纤维方向效能系数研究
- The wind is in the northwestern direction. 这阵风来自西北方。
- The plane flew off in a southerly direction. 飞机向南飞去。
- She's very direct, believes in speaking her mind. 她为人直率，喜欢有什么说什么。
- Can you direct me to the shoe department? 请告诉我卖鞋部在哪里。
