“fir”可以造什么句，fir造句

It is usually a pine or a fir.

By the willow tree in the cool fir wood.

The most common construction woods are Douglas fir, hemlock, spruce, pine, and some cedar.

Now he and his guitar are disappearing into the fir trees beyond the parking lot.

Your best bet will be one of three materials, redwood, pressure treated fir, and used rail ties.

Drag onto the page to add a conifer tree, such as pine, fir, spruce, redwood, or cypress.

A fishy odor insinuated itself into the scents of fir, baked cookies, and homemade eggnog that filled our flat.

"Most houses in the north are built from pinewood, but the Windows of this one are made of fir," explained wood restorer Sergey Sobacjev.

The internal walls and ceilings are covered with local silver fir wood, which gives the rooms a cosy feeling despite the large glass Windows.

对于上面的例子提及的低通滤波器，你可以选择两种fir和四种iir数字滤波器进行设计。

The new study found increasing death rates of several kinds of forests, like pine, fir and hemlock. The higher rates were observed among trees of different ages and sizes.

为了在数字信号处理中获得较好的*能和较低的资源消耗，提出了一种新颖的基于z变换分析的半并行fir滤波器设计方法。

提出了一种将正交调制lfm信号产生系统的幅相误差映*到基带后，在数字域利用复系数fir滤波器进行校正的方案。

Heidi returned to the fir-trees.

This is a very small fir tree, decorated with silver paper and coloured light.

The outside façade and the roof have been finished with local silver fir shingles.

Drag onto the page to add a conifer tree, such as pine, fir, spruce, redwood, or juniper.

In his mouth were the remains of fir trees--the last meal that he had before he fell into the crevasse and broke his back.

The grandfather was sitting under the fir trees, where he had also put up a seat, waiting as usual for his goats which returned down the mountain on this side.

在这个例子中，我们创建fir线*相位滤波器和iir巴特沃兹滤波器设计然后比较滤波器的幅值响应。

The huge fir trees dropping their needles one by one.

I glance up to see an iridescent-green hummingbird hunkered down a fir branch, sheltered against the tree's trunk.

"Whirl up, sea? Whirl your pointed pines, Slash your great pine, On our rocks, Hurl your green over us, Cover us with your pools of fir."

尽管窗函数法与频率抽样法在fir数字滤波器的设计中有着广泛的应用，但两者都不是最优化的设计。

The oaks like the fir in the temperate belt and the plants like azalea under the mountain are scattered distinctively and vertically on the slopes of the island.

Hemlock, red cedar, and balsam fir are among the other trees found in British Columbia.

该方法是将拾振器的输出信号作为fir横向滤波器的输入，用自适应rls算法对fir横向滤波器系数进行辨识而最终获得可以恢复拾振器原始输入信号的反卷积滤波器。