The main regeneration measures of shelter belts for farms in Three North area of Jilin Province include belt regeneration, full belt regeneration, alternate belt regeneration, overall forest regeneration, regeneration by new forest belt afforestation in front of all belt and regeneration by reforestation.

  • 吉林省三北地区农防林的更新方式主要有半带更新、全带更新、隔带更新、全面更新、加带更新、改带更新。
  • 来源:互联网摘选更新时间:2026-04-04 12:58:04

  • 重点词汇
  • northn.北方;北部;(美国南北战争时与南方作战的)北部各州;北方发达国家(尤指欧洲和北美各国);
  • alternateadj.轮流的;交替的;间隔的;代替的;
  • fulladj.满的;完全的;满是…的;充满的;(有)许多的;丰富的;(有)大量的;(强调数量)足足的,整整的;丰满的;圆的;吃饱了的;忙的;宽松的;最高级的;圆浑的;(关于某事物)想得很多,谈得很多
  • andconj. 和;与;而且;于是;然后
  • threenum.三;三个;第三(章,页等);
  • in front of在…前面;当着…的面;面前;
  • beltn. 腰带;区域;传送带;带状物;
  • jilin吉林(位于中国东北地区中部);
  • includev.包括;把…列为…的一部分;
  • 相关例句
1、

Fayed's bodyguard, Trevor Rees-Jones, was the only survivor, and was believed to be the only occupant wearing a seatbelt, until a 2006 study that said none of the four were.

法耶德的保镖,特雷弗里斯琼斯,是事故中唯一的幸存者。在2006年的事故调查之前,特雷弗里斯琼斯一直被认为是发生事故时唯一系安全带的乘客,然而2006年的调查报告显示四个人都没有系安全带。

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2、

What the baby has is only a slight stomach disorder, but his parents are stirring up a storm in a tea-cup by taking him to the best hospital to consult the best pediatrician.

那小毛头只不过是肠胃稍有不适而已,但他的爸妈却小题大做,把全带到最好的医院去看最好的儿科医生。

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3、

The results show that speech recognition rate can be enhanced by implementing pre-processing to noisy speech signal, and the speech recognition effect of sub-band is better than full-band in a way.

通过大量实验结果表明,对带噪语音信号进行有效的语音增强预处理能提高语音识别率,而且在某种程度上子带语音识别相对于全带语音识别效果更好一些。

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4、

Then a noise adaptive multi-stream hybrid sub-band approach is proposed for robust speech recognition by making use of the complemental performances between full-band and sub-band cepstral marginalisation recognizers in different noises.

然后利用基于全带和子带倒谱特征的边缘化识别器在不同噪声中的互补性能,提出了一种噪声自适应的多数据流复合子带语音识别方法。

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5、

Experimental results show that the proposed approach can turn to the less distorted data stream automatically and improve the robustness of the speech recognizer in various noisy environments effectively.

实验结果表明,所提识别方法可以自适应地选出全带和子带数据流中受噪声影响较小者并以之为主要依据进行识别,有效地提高了识别系统在多变噪声环境中的鲁棒性。

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6、

The photonic band structure was also shown by the photonic density of states. Furthermore, the theoretical explanation for the opening of the band gap was given.

光子态密度的分布也表明存在全带隙的光子频率范围,进一步研究给出这种结构光子晶体全带隙存在的物理起源。

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7、

In the new method, sub band features and full band features are extracted in different timescales, then combined at probabilistic layer.

新方法在不同的时间尺度下分别进行子带特征提取和全带特征提取,并分别进行识别,然后在识别概率层相结合得到最终识别结果。

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8、

Knowing that Jolyonm was Irene's trustee, all felt the delicacy of this question, and looked at Soames with interest.

大家知道乔里恩是伊琳的委托人,都觉得这个问题有点微妙,全带着兴趣望着索米斯。

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9、

The characteristics of the decay kinetics of a two-level atom near the band edges of photonic crystals with absolute gaps are analyzed.

介绍一个二能级原子在全带隙光子晶体带边附近的衰减动力学行为。

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10、

We employ spectral difference method to reduce the disturbance of noise, and combine subband with full band at probability layer.

先用频谱差分减少噪声的干扰,再将多子带特征识别概率与全带特征识别概率相结合进行综合判决,以得到最终识别结果。

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11、

Being abundant in energy and resources, it has a stupendous development potential and visible prospect.

该段富集了全带大部分的能源与资源,发展潜力巨大,前景可观。

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12、

Considerable efforts have been made theoretically and experimentally in search of the PCs with complete PBG.

科学家们在理论和实验上都作出了巨大的努力,以实现全带隙光子晶体。

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13、

The results show that: the results of single-band and full-band model are quite different.

计算结果显示:单带和全带模型下所得结果存在较大差异。

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14、

You'll need an oversize suitcase to take all those things with you.

要把那些东西全带上,你需要一只特大的衣箱。

provided by jukuu

15、

Characteristics of decay kinetics of atoms in photonic crystals with absolute gaps

全带隙光子晶体中依赖原子位置的衰减动力学性质

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17、

Simulation based on MATLAB shows that it is effective and works well in acoustic echo cancellation. Compared with full band NLMS algorithm, the method can obtain fast convergence rate and low misadjustment.

通过MATLAB仿真,表明本文采用的方法能有效降低回声对系统的影响,与全带NLMS算法相比,本算法具有较快的收敛速度和较低的稳态失调。

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18、

At first, we introduces the structure and characteristics of wurtzite phase GaN and the full band ensemble Monte Carlo method, and compares the full band Monte Carlo method with the general analytic band Monte Carlo method.

首先介绍了纤锌矿相GaN材料的结构特性和全带多粒子Monte Carlo方法的原理,并将全带方法和常规分析带方法进行了比较。

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19、

The study gets good results and provides a scientific basis for manufacturing InP three-dimensional photonic crystal.

为制备三维全带隙InP光子晶体提供了科学依据。

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20、

Re-reading Adam Smith's "Mystery of Diamond and Water"

重新解读亚当·斯密的钻石与水之谜

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