我们还需要考虑长期的环境，看看我们是否需要在特别地区建造更有效的海洋防御体系，并确定需要建造多高的堤坝或围墙。
We also need to consider the longer-term context and see if we need to build better sea defences at a particular location and assess how high dykes or walls need to be.
他们表示，必须首先采取行动适应气候变化，如防御海洋灾难，采用新的农业形式，然后采取措施减少温室气体。 减少温室气体的措施需要多年才能见成效。
They said actions to adapt to climate change, such as sea defences and new forms of agriculture, must take priority over efforts to reduce greenhouse gases, which would take years to have any impact.
不论被想像成是围绕著热带岛屿的宁静海洋，或是防御恶魔的堡垒，大多数人对松石绿都有正面的观感。
Whether envisioned as a tranquil ocean surrounding a tropical island or a protective stone warding off evil spirits, Turquoise is a color that most people respond to positively.
此外，022型最大可能角色是积极防御中国的'近海'，表现该国尝试更进一步从它的大陆获得更大海洋控制。
Moreover, the most likely role of the Type 022 is for active defence of China's 'near seas', representing the country's attempts to gain greater sea control further from its landmass.
它在海洋数据收集、污染监测、灾难预报、辅助导航以及水下军事防御等方面有着广泛的应用。
It has extensive application on Marine data collection, Pollution Monitoring, disaster warning navigational assistant and underwater military defense.
它在海洋数据收集、污染监测、灾难预报、辅助导航以及水下军事防御等方面有着广泛的应用。
It has extensive application on Marine data collection, Pollution Monitoring, disaster warning navigational assistant and underwater military defense.
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