fir

英 [fɜː(r)]

美 [fɜːr]

n.  枞; 冷杉

复数：firs　

TOEFLTEM8机械

Collins.1 / BNC.14768 / COCA.10159

牛津词典

noun

• 枞；冷杉
  an evergreen forest tree with leaves like needles, that grows in cool northern countries

柯林斯词典

• 冷杉;枞
  Afiror afir treeis a tall evergreen tree that has thin needle-like leaves.

英英释义

noun

• any of various evergreen trees of the genus Abies
  Synonym:fir treetrue fir
• nonresinous wood of a fir tree

双语例句

• The most common construction woods are Douglas fir, hemlock, spruce, pine, and some cedar.
  最常用的木料是道格拉斯冷杉，铁杉，云杉，松木以及其他一些杉木。
• A new application of genetic algorithm in FIR filter with weighting Chebyshev optimal approximation method is presented.
  介绍了一种遗传算法在FIR数字滤波器设计&加权切比雪夫最佳逼近准则优化设计方法中的应用。
• The pine and fir are coniferous trees.
  松树和枞树都是结球果的植物。
• Mass loss rates of fir leaf litter appeared consistent with the taxa and individual relative density of soil fauna.
  不同孔径凋落物袋内土壤动物的类群和个体相对密度与凋落叶的质量损失率呈现相对一致的变化趋势。
• The essence of this paper is to analyze and design the multi-way FIR filter by using the structure of RAM which saves a great deal of register resources.
  文中重点对采用RAM结构实现多路滤波器的方法进行了分析和设计，该方法节省了大量寄存器资源；
• The structure chart of FIR algorithm realizing is also given.
  在这里还给出了实现FIR算法的结构图。
• The growth of spruce and fir needles is determinate.
  云杉和冷杉的针叶生长是有限的。
• The softwoods are such trees as pine, fir and spruce.
  松、冷杉、云杉一类的树木是软木材。
• Douglas fir of coniferous tree and beech of broadleaf tree is selected as the experiment materials.
  选择针叶材花旗松和阔叶材山毛榉作为实验材料；
• A new strategy was proposed for constructing linkage maps for 1 ∶ 1 segregation molecular markers in Chinese fir.
  对于杉木1∶1分离的分子标记位点，提出了一种新的构建遗传连锁图谱的策略。