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Gullies, streaks, ripples and dust devil tracks on Russell Crater Dunes.
沟壑, 条纹, 波纹和沙尘暴,罗素环形山沙丘轨道.
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Gum streaks: A defect in offset plate, where local image deteriorated in areas of excessive gumming.
胶痕: 柯式印版上, 局部上胶过度而损坏的故障.
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The disease gets its name from streaks of yellow and white that discolor the leaves.
这个病疫得名于它会使玉米的叶子褪色,变成黄白色.
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