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81. | spread spectrum |
| 扩展频谱 |
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82. | vertical spread |
| 竖直向上蔓延 |
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83. | sandwitch spread |
| 三明治酱 |
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84. | spherical spread |
| 球面扩展 |
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85. | spread concrete |
| 摊铺混凝土 |
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86. | spread information |
| 传播信息 |
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87. | spread delivery |
| 分期交货;延期交货 |
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88. | spread measurement |
| 臂展量箭法 |
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89. | spread foundation |
| 扩展底座 |
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90. | positive spread |
| 正向差幅|正差幅 |
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