查询词典 vascular plants

Lycophyta (Lycopodophyta; Lycopsida) A phylum of spore-bearing vascular plants containing about 1000 living species and 6 genera, mostly found in tropical regions.

石松门：具有孢子的维管植物的一个门，现存的石松类植物大约有1000多个种，六个属，绝大多数分布在热带地区。

Devonian fossil plant considered one of the earliest forms of vascular land plants; similar to genus Rhynia but smaller.

被认为是有脉管的陆地植物的最初形式之一的泥盆纪化石植物；与鹿角蕨属相似，较小。

Flavonoids are dietary phenolic substances isolated from a wide range of vascular plants, which act as antioxidants and scavengers of free radicals, and possess nutritional and therapeutic value. Many studies have suggested that flavonoids exhibit biological activities, including antiviral, antiinflammatory, vasodilating actions, and cardioprotection and neuroprotection.

类黄酮是一大类从高等植物中提取的可食用的多酚类物质，具有抗氧化和自由基清除活性，对人体具有营养及医疗价值，如抗病毒、抗癌、保护神经系统和心血管系统等。

Both vascular plants and bryophytes are included.

该植物志以美国和加拿大200多年以来植物研究的资料积累为基础，并且融入了最新的研究成果，将会收录20，000多种植物（大约是世界总量的7%），包括脉管类和苔藓类植物。

The cambia of scion and stock merge, allowing the vascular tissues of the two plants to combine.

嫁接区的周围会产生愈伤组织来保护接口。

The surrounding subtropical rainforest has over2,000 species of vascular plants and is home to the typical wildlife of the region: tapirs, giant anteaters, howler monkeys, ocelots, jaguars and caymans.

周围的亚热带雨林中有2000多种维管植物，并且栖息有许多典型的热带生物，包括貘、食蚁兽、猴、猫、洲虎和美洲鳄鱼。

The cuticles of most vascular plants are covered with a thin layer of largely hydrophobic constituents.

大部分维管囊植物的角质层都被有薄薄一层很疏水的成分。

Containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta.

包含所有不结果的维管植物；蕨类、马尾、石松和X；在某些分类中，被视为维管植物部的一个亚部。

The food-conducting tissue of vascular plants, consisting of sieve tubes, fibers, parenchyma, and sclereids.

韧皮部导管植物的食物传导组织，包括筛管、纤维、薄壁组织和硬化细胞

The main fi ndings were i copper was strongly bound to organic layer and seemed to be the main pollutant in the ecosystem while zinc was the most mobile element and did not accumulate to any specifi c part of the ecosystem, ii the forest mosses and epiphytic lichens were the most sensitive plant species and the seedlings of the vascular plants that had survived near the smelter were absent, iii there was a highly resistant soil decomposer community near the smelter although the activity of the soil animals and microbiota was low and their community structure altered, iv many insect species also suffered from pollution although the adverse effects caused by forest pests increased with pollutant load, v the low survival rate and breeding success of hole-nesting passerines near the smelter was caused by habitat changes and the quality of food, vi the adverse effects seem to be to some extent reversible after decreased pollutant load or remediation actions.

主要fi ndings是i铜强烈一定到有机层数、并且似乎是主要污染物在生态系、当锌是最流动的元素，并且没有积累对生态系时的任何specifi c零件， ii森林青苔和附生植物地衣是含羞草种类，并且在精炼工附近生存了是缺席维管束植物的幼木， iii有一个高度抗性土壤decomposer社区在精炼工附近、虽然土壤动物和microbiota的活动是低的、并且他们的修改过的社区结构、iv许多昆虫种类也遭受污染、虽然森林造成的不利影响虫增加了与污染物装载、v孔嵌套雀形目鸟的低生存率和繁殖的成功在精炼工附近是由栖所变动造成的，并且食物的质量， vi不利影响似乎在某种程度上是双面布料在减少的污染物装载或治疗行动以后。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。