- 1. In western North America, most have been replaced by monocultures of fast-growing conifers.
- 在北美西部，大多数农业活动已被速生针叶树的单一栽培所取代。
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- 2. For many trees—evergreen conifers being an exception—the best strategy is to abandon photosynthesis until the spring.
- 对于许多树木来说——常绿的针叶树是一个例外——最好的策略是在春天之前放弃光合作用。
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- 3. Insects and even small invertebrates have been found preserved in the hardened resins of conifers and certain other trees.
- 人们在针叶树和某些其它树木的硬化树脂中发现了昆虫，甚至发现了小型无脊椎动物。
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- 4. Maybe conifers were to blame.
- 也许罪魁祸首是针叶树。
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- 5. Most conifers wood in contain turpentine.
- 大多数针叶树木材中都含有松脂。
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- 6. Several other conifers produce small male catkins.
- 其它几种针叶树产生小雄花序。
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- 7. Damage from salt spray affects many other conifers.
- 许多其他针叶树因药剂喷洒的的影响而受害。
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- 8. The xylem of ferns and conifers contains only tracheids.
- 蕨类植物和针叶树的木质部仅含有管胞。
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- 9. A variety of conifers and hardwoods makes up the bulk of the vegetation.
- 大部分植被由各种针叶树类和阔叶树类构成。
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- 10. This map features floating glaciers, serene rivers, and snow-covered conifers.
- 这张地图有流动的冰川，宁静的河流，被雪覆盖的松树。
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- 11. In some conifers adventitious roots can form the largest part of the root system.
- 在一些针叶树不定根形成的根系统的最大部分。
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- 12. The air freshened and Shared the flavor of conifers as we came into the mountains.
- 进入大山后，清新的空气中洋溢着针叶树的芳香。
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- 13. An area planted with pine trees or related conifers, especially for botanical study.
- 松园，松柏园长有松树或针叶树的地方，尤指用于园林研究。
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- 14. Strobilomyia flies are major pests of the cones and seeds of conifers in the Far East.
- 球果花蝇是远东地区的重要球果种实害虫。
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- 15. Birds are singing, Brooks are babbling, the air has the fresh tang of earth and conifers.
- 鸟儿在歌唱，小溪在低吟，空气中充满着泥土和松子的芬芳。
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- 16. Furthermore, the conifers, which are among the tallest trees, have unusually low root pressures.
- 况且，最高树木中的松柏只有很低的根压。
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- 17. They were followed by the emergence of fish, reptiles, mammals, ferns, conifers and flowering plants.
- 在这之后出现了鱼类，爬行类，哺乳动物，蕨类，针叶树和开花的植物。
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- 18. Terpenes are very important components for defense response against herbivore attacks in conifers.
- 萜烯类化合物是针叶树防御昆虫为害的重要组分。
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- 19. They expected to find evidence of well-known Late Cretaceous vegetation such as conifers and cycads.
- 他们原本期望发现晚白垩世时期著名植物如针叶树和苏铁存在的证据。
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- 20. This region contains areas which are primarily covered with either high density conifers or meadow hardwoods.
- 该地区，主要的植被覆盖是高度的针叶树类或草地阔叶树类。
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- 21. For mosses and ferns, the intermediary is water. For conifers like pine trees and cypresses, the intermediary is wind.
- 苔藓和蕨类植物，它们的媒介是水，裸子植物如松和柏，它们的媒介是风。
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- 22. There are four widely different living groups : the cycads, ginkgo, conifers, gnetophytes, and several fossil groups.
- 分为四个不同的类群：苏铁类、银杏类、松柏类、买麻藤类植物以及一些化石类群。
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- 23. Closer up, from a twin-engine aircraft, those wrinkles become thousands of conifers marching over the steep and broken ground.
- 双引擎飞机低空掠过，这些皱纹变成了遍布于陡峭不平的山地上的松柏。
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- 24. It is known as a museum of plants, featuring a huge assortment of palms, fruits, conifers and flowers of all shapes and sizes.
- 它被称为植物博物馆，向人们展出各种各样不同品种的棕榈树、水果、针叶树以及各种形状的花朵。
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- 25. If the plantation leaded to soil degradation and if conifers cause soil acidification had been the focuses debated in the world.
- 特别是关于人工林是否导致地力退化，针叶林是否引起土壤酸化，一直是国际上争论的焦点。
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- 26. Before the mid-Cretaceous, 100 million years ago or so, flowering plants were scarce: conifers and their relations ruled the landscape.
- 白垩纪中期之前，也就是说大约1亿年前，开花植物很少见：裸子植物占据着地球的景观。
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- 27. For conifers which do not form an abscission layer at the base of the cone, shakers have been partially or completely unsuccessful.
- 对于球果基部不能形成脱离层的针叶树，摇树机的作用不大，或者完全不起作用。
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- 28. The native English oak is strangely not susceptible to the disease although other popular trees like beeches conifers spruces and firs are.
- 奇怪的是当地英国橡树不易感染那种病，尽管其他树如山毛榉，针叶树和冷杉则相反。
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- 29. Southern beech, rimu and kahikatea (both tall conifers) once covered more than 80 percent of New Zealand, but the lowland forests are now less extensive.
- 南部山毛榉、新西兰陆均松和罗汉松（两者都是高大的针叶树）一度覆盖了新西兰八成的土地，不过现在低地林木的覆盖率已经减少。
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- 30. Southern beech, rimu and kahikatea (both tall conifers) once covered more than 80 percent of New Zealand, but the lowland forests are now less extensive.
- 南部山毛榉、新西兰陆均松和罗汉松（两者都是高大的针叶树）一度覆盖了新西兰八成的土地，不过现在低地林木的覆盖率已经减少。
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