查询词典 quiver tree

In particular, we compute Hochschild homology and cohomology groups of infinitedimensional path algebras and some of their quotient algebras, and we prove that for a general monomial algebra (not necessary finite-dimensional), all Hochschild cohomology groups of positive degrees vanish if and only if its Gabriel quiver is a finite tree.

特别地，我们计算了无限维路代数以及某些商代数的Hochschild同调群和上同调群，而且给出了一般单项代数的各正次Hochschild上同调群为零的充分必要条件，即它的Gabriel箭图是有限树。

Tree and feel the happy quiver of a bird in full song.

地让清凉的溪水从手之间流过。

I place my hand gently in a small tree and feel the happy quiver of a bird in full song.

一棵小树上，如果幸运的话，偶尔会感到歌唱的小鸟欢快的颤动。

Tree and feel the happy quiver of a bird in full song.! am delighted

我非常高兴让清凉的溪水流过我的张开的手指。

Fortunate, I place my hand gently in a small tree and feel the happy quiver of a

当我把手轻轻地放在一棵小树上，如果幸运的话，偶尔会感

Occasionally, if I am very fortunate, I place my hand gently in a small tree and feel the happy quiver of a bird in full song.

开着，大自然的神奇展现在我的面前。当我把手轻轻地放在一棵小树上，如果幸运的话，偶

Occasionally, if I am very fortunate, I place my hand gently in a small tree and feel the happy quiver of a bird in full song.

我感到了可爱的花朵那茸茸的感觉，发现它层层叠叠地绽开着，在我的面前大自然的神奇展现着。

Occasionally, if I am very fortunate, I place my hand gently in a small tree and feel the happy quiver of a bird in full song.

有时候，我会将手轻轻地放在一棵小树上，如果幸运的话，还能感觉到高歌的小鸟快乐的颤动。

The tree leaves quiver in the slightest breeze.

树叶儿在丝丝微风中颤动。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。