针叶树 Conifers are a group of trees and shrubs, for example pine trees and fir trees, that grow in cooler areas of the world. They have fruit called cones, and very thin leaves called needles which they do not normally lose in winter.
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。
The lush swamp forests of the Carboniferous were gradually replaced by conifers, seed ferns, and other drought-resistant plants. 石炭纪的葱翠的沼泽地正在慢慢被针叶林、种子蕨类以及其他抗干旱植物所代替。
The images appear to show rows of dark "conifers" sprouting from dunes and hills on the planet surface. 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。
There were some huge, old and diseased conifers. 那里有一些又大又老、生了病的松柏。
You can grow dwarf conifers in pots on the patio. 你可以在庭院里种几盆矮小的针叶树。
Conifers constitute about a third of the world's forests. 针叶树林约占世界森林的三分之一。
Any of several beetles whose larvae bore holes in dead or dying trees especially conifers. 几种甲虫,其幼虫在死树或快死的树特别是松树中打洞。
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 wood of broad-leaved dicotyledonous trees ( as distinguished from the wood of conifers). 阔叶双子叶树木的木料(区别于针叶树木材)。
A narrow stiff leaf, as those of conifers. They speed the growth of new green leaves. 针叶狭长的硬叶,如松柏科植物他们使新绿叶加速生长。
Firs, spruces and pines are conifers. 冷杉、云杉和松树都是针叶树。
Genus of small bark beetles destructive especially to mature conifers. 尤其对老熟松树有破坏性的一种小的棘胫小蠹。
Obtained from conifers ( especially pines). 取自松类植物(尤指松树)。
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。
What is more, some of the pollen grains and spores I found in the clays and lignites came from conifers and tree ferns that could have grown only at the high altitudes of a mountain range. 而且我在黏土及褐煤中发现的花粉粒与孢子,属于针叶树及树蕨,它们只生长在高海拔的山区。
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。
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。
Conifers have long thin leaves called needles. 松柏科植物长着叫针叶的细长叶子。
It has been known that the self-sterility of conifers results from embryo collapse after self-fertilization. 业已知道,针叶树自花不育是由于自花受精后胚凋萎。
Sarvas discusses the nature of the lethal load in conifers. 萨维斯讨论了针叶树的致死的基因性质。
Tall Paleozoic trees superficially resembling modern screw pines; structurally intermediate in some ways between cycads and conifers. 一种高大的古生代树木,外表与现代的露兜树相似;结构上介于苏铁和针叶树之间。
Asiatic conifers resembling firs. 亚洲一种类似于冷杉的针叶树。
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。
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。
The xylem of ferns and conifers contains only tracheids. pine of Australia and New Guinea; yields a valuable light even-textured wood. 蕨类植物和针叶树的木质部仅含有管胞。澳洲和新几内亚松类植物;木质轻,有平滑纹理。
On that piece of land I would also recommend conifers or maybe cedars. 那块地嘛,我还建议你种引起针叶树,或许是雪松。
The exposure and processing of the first record is optimal for imaging of both conifers and hardwoods. 对于针叶树类和润叶树类的成象来说,第一波段的曝光和加工都是效果最优的。