现在（大家）想象一棵布满了密密麻麻的小针叶的松树。
Now imagine a pine tree with all those little densely packed needles.
低磷逆境下，马尾松针叶的可溶性糖和脯氨酸含量增加，而叶绿素和可溶性蛋白含量降低；
Under the situation of low phosphorus stress, the concentrations of soluble sugar and free proline increased whereas the chlorophyll and soluble protein decreased.
种群内针叶的变异幅度凉水地区最大（0．1486），长白山地区最小（0．1056）；
The length of needles, has the highest variation (0 1486) within the Liangshui population, and lowest variation (0 1056)in Changbai Mountain population.
结果表明针叶的有机自由基水平最能说明远紫外辐射剂量的积累效应。其次是叶绿体产生的O-·2 。
The results show that the cumulative effect of far_UV irradiation, is best indicated by the production of organic free radicals in the needles, O -· 2 production in chloroplasts is the next.
高氮处理第40天时，植株针叶的IAA、GA_3浓度比正常供氮植株的高，到处理第80天时又恢复到与正常供氮的一致。
After 40 days of treatment with high nitrogen, IAA and GA3 concentrations in needles were higher than the control, but on the 80th day they are both went back to the control level.
磷素营养处理第40天时针叶的ZR浓度与磷素供应水平呈明显的正相关，而到处理第80天时，针叶的ZR浓度与磷素供应水平又呈明显的负相关。
Positive relationship between ZR level in needles and phosphorus nutrition condition was found on the 40th day after treatment, and negative relationship was done on the 80th day.
大多数纸是由针叶树的纸浆制成的。
相反，针叶树将侵入白杨树林的边界，越来越多地遮挡白杨所需的阳光。
Instead, coniferous trees will invade the aspen grove's borders and increasingly block out sunlight needed by the aspens.
通过吮吸铁杉幼嫩枝的汁液，树木的生长被毛茸茸的叶蝉阻碍，导致针叶从深绿色变为灰绿色，并提早掉落。
By sucking sap from the young twigs of the hemlock tree, tree growth is retarded by the woolly adelgid, causing needles to change color from deep green to grayish green and to drop prematurely.
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。
In western North America, most have been replaced by monocultures of fast-growing conifers.
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。
Insects and even small invertebrates have been found preserved in the hardened resins of conifers and certain other trees.
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。
For many trees—evergreen conifers being an exception—the best strategy is to abandon photosynthesis until the spring.
我们的结果表明 GH2 是一个主要的多功能CAD来合成针叶树基。
Our results suggest GH2 acts as a primarily multifunctional CAD to synthesize coniferyl.
该沙漠以南地区还存在其它颜色，它们来自史前一座针叶树林所遗留下来的化石。
Other colours found along the desert's southern fringe stem from the fossilised remains of a prehistoric coniferous forest.
软木是指速生的针叶林品种，占世界木材产量的80%。
Softwoods are fast-growing coniferous species that account for 80% of the world's timber.
据估计，单独一个大雨林或针叶林其蒸发面积大约相当于一个40英亩的湖泊。
It has been estimated that a single large rainforest or coniferous tree has an evaporative surface area roughly equal to a 40 acre lake.
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。
They were followed by the emergence of fish, reptiles, mammals, ferns, conifers and flowering plants.
斯茂拉赫已经掘了个洞，深度足以到达下层的针叶和球果。
Smaolach had dug a hole deep enough to reach a layer of dry needles and cones.
在此区域周围的针叶林带已经被夷为平地，折断的树木指向背离中心方向，如同抽杆游戏中的小棒。
Around it the taiga was flattened, with the broken trees pointing outward from the middle like the sticks in a game of spillikins.
一个有趣的事实：图瓦位于一个不同气候的地区：针叶林在北部和阿尔卑斯山的草原。
An interesting fact that Tyva is situated in different climatic zones: taiga in the north and Alpine grasslands in the west.
考古学家同事发现许多大型陆地动物和植物化石，比如一只祖龙的尖牙和一些古代针叶松类型的植物化石。
Archaelogists also discovered a number of larger land-based animals and plant fossils including the sharp tooth of an archosaur and the remains of some ancient conifer-like plants.
造成这种损失的部分原因要归结于温带和针叶林带里爆发的小蠹虫虫害，创纪录数量的小蠹虫撑过了最近这些个温和的冬天。
This was partly because of a plague of bark-beetles in its temperate and boreal zones, a record number of which have been surviving the recent mild winters.
一些科学家认为，这种林业害虫，不可避免地会借由加拿大北部针叶林带中的短叶松走廊，迅速向东扩散。
Some scientists say it is inevitable that the tree-killing insect will spread all the way east via a corridor of jack pines across northern Canada's boreal forest.
这是在针叶林中蜿蜒的小路。
上述这种破坏的普遍程度已经比大多数气候模型的预测结果要更加严重，而其中，针叶林带受到的打击尤为明显。
Such damage is already more common than most climate models had predicted, with the boreal belt especially hard hit.
为了得出每年的气温值，他们对生长在高海拔地区的针叶树的年轮进行测量，这种树木在炎烈的夏天生长得比较快，而在寒冷的年份就长得比较慢。
To get annual temperatures, they measured rings in high-altitude conifer trees, which grow faster in warmer summers and slower in colder years.
Carroll还说，尽管扩散到东海岸还需要一些时间，但甲虫通过北部针叶林带的扩散本身就会产生一些问题。
Even if it takes a while to make it to the East Coast, the beetle's spread through the boreal forest can cause its own problems.
左图，是一个完整的海胆化石;右图，是一个针叶松植物化石，这是这个遗址上发现的为数不多的陆地上物种化石。
The complete remains of a sea urchin, left, alongside a conifer-like plant, right, which was one of the few land-based fossils that were discovered at the site
左图，是一个完整的海胆化石;右图，是一个针叶松植物化石，这是这个遗址上发现的为数不多的陆地上物种化石。
The complete remains of a sea urchin, left, alongside a conifer-like plant, right, which was one of the few land-based fossils that were discovered at the site
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