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。
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。
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。
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。
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。
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。
Silver birches were edged out by conifers, and substantial brick houses, with double-pitched roofs, replaced the concrete and wooden dwellings of mid and western-Siberia.
路轨边已经是松树而不再是白桦，坚固的斜屋顶砖房替代了西伯利亚西部和中部用水泥木材建成的居所。
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。
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。
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。
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。
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。
Thee images appear to show rows of dark "conifers" sprouting from dunes and hills on the planet surface. But the scene is actually an optical illusion.
从图片中我们可以看出，成排的的“针叶林”从火星表面的沙丘和小山上长出。而事实上，这样的场景只是一种光学错觉。
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。
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。
The study on the morphology of stomata of conifers is the foundation of identifying fossil stomata that is important for the study of the change of vegetation and climate.
现代针叶树气孔器的研究为鉴定化石气孔器奠定了基础，对第四纪植被变化和古气候的研究起着很重要的作用，是第四纪孢粉学的一个重要补充。
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。
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。
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。
The images appear to show rows of dark "conifers" sprouting from dunes and hills on the planet surface. But the scene is actually an optical illusion.
从图片中我们可以看出，成排的“针叶林”从火星表面的沙丘和小山上长出。而事实上，这样的场景只是一种光学错觉。
More than 37 species of 22 genera of fossil plants are recognized by the authors from the Shansonggang Basin of southern Jilin, China, including mainly conifers, ginkgoales, ferns and czekanowskiales.
吉林南部杉松岗盆地早侏罗世植物群主要由松柏类、银杏类、真蕨类和茨康类组成，迄今已发现22属37种。
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。
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。
Instructions cover approaches to dealing with side branching, how to alter the line of the trunk, and how to sculpt pine trees, azaleas, conifers, broad-leaved evergreens, and deciduous trees.
说明包括处理与侧分支的方法，如何改变干线，以及如何塑造松树，杜鹃花，针叶林，阔叶常绿树，落叶树。
Instructions cover approaches to dealing with side branching, how to alter the line of the trunk, and how to sculpt pine trees, azaleas, conifers, broad-leaved evergreens, and deciduous trees.
说明包括处理与侧分支的方法，如何改变干线，以及如何塑造松树，杜鹃花，针叶林，阔叶常绿树，落叶树。
应用推荐