Crocodiles have been protected by federal law since 1971, and their Numbers in Australia's tropical waters have steadily grown.
自1971年来，鳄鱼一直受到联邦法律的保护，它们在澳大利亚热带水域的数目一直稳步增长。
Likewise some high-tech industries, such as telecoms, have been protected and others, such as e-commerce, barely existed in 1992.
同样一些高科技产业，例如电信，受到保护。其他例如电子商务在1992年几乎还不存在。
Traditionally structures have been protected by the use of air terminals (Franklin Lightning Rods) and a network of downconductors connecting to an integrated grounding system.
传统上，我们使用一根置于空气中的金属终端【富兰克林避雷针】和一条与集成的接地装置连在一起的下导线路来保护建筑物。
He looks over his shoulder at the silt-filled ponds behind him, and then shifts his gaze to a less-damaged area that may have been protected by a clump of mangrove trees near the beach.
他回过头去看身后那些灌满淤泥的池塘，然后将目光转向海滩附近可能因受到红树林的保护而灾情较轻的那片地区。
Many of them have been protected as parks or non-residential development, such as ball fields, and so they stand out as green circles of vegetation against the surrounding gray and white cityscape.
许多火山被保护起来成为公园，有些则作为不开发的非居住区，例如作为球场，因此这些被植被覆盖的绿色圆形高地与周围灰白色的城市景象形成鲜明对比。
Many of them have been protected as parks or non-residential development, such as ball fields, and so they stand out as green circles of vegetation against the surrounding gray and white cityscape.
许多火山被保护起来成为公园，有些则作为不开发的非居住区，例如作为球场，因此这些被植被覆盖的绿色圆形高地与周围灰白色的城市景象形成鲜明对比。
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