This paper introduced the selection of net agent, the definition of net agent length and added quantity, improving of net cover sand strong etc.
介绍了网络剂的筛选、网络剂长度及加量的确定、网络覆膜砂强度的改进及影响网络覆膜砂的各种相关因素。
They used a new method of analyzing elements in the lunar sand samples to show strong evidence of water, dating back 3 billion years.
他们通过一种新的方法分析月壤样本,并从中发现了强有力的证据证明30亿年前月球曾有水存在。
Archaeology received a gift from nature in 1850, when a strong storm hit the Orkney Islands, stripping away sand dunes and uncovering the remains of the Skara Brae settlement.
考古于1850年收到了来自大自然的礼物,当强风暴袭击的奥克尼群岛时剥离了沙丘和揭露了斯卡拉布雷下陷的残存部分。
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