China unveiled its "No. 1 central document" for 2021 on Feb 21, stressing the efforts to comprehensively push forward rural vitalization and accelerate the modernization of agriculture and rural areas.

Promoting rural vitalization on all fronts will be no easier than the anti-poverty battle, allowing no letup or sluggishness.

全面推进乡村振兴的深度、广度、难度都不亚于脱贫攻坚，决不能有任何喘口气、歇歇脚的想法。

We should shoulder the heavy responsibility of ensuring food security, and steadily with rural vitalization.

要扛稳粮食安全的重任，稳步提升粮食产能，要深入推进农业供给侧结构性改革，要深化农业农村改革，激活乡村振兴内生动力，深入研究接续推进全面脱贫与乡村振兴有效衔接。

In many kinds of artificial neural networks, BP neural nets is one of the most pioneer and common models, it is successfully applied to equipment fault diagnosis.

目前应用的若干神经网络模型中，BP网络模型是人们认识最早应用最广泛的一种，它也是在设备故障诊断领域应用最成功的一种神经网络模型。

Neural networks are computer systems which mimic the workings of the brain

神经网络是模拟大脑工作方式的计算机系统。

Forward Neural Networks Control Theoretical Research and Its Application

前向神经网络控制理论研究及其应用

The selection and energy saving of the lead cross-section of the low voltage distribution network line

低压配电网线路导线截面选择与节能

Search and improvement of 10 kV distribution network line single-phase grounding failure

10kV配电网线路单相接地故障的查找及改进方法

The parallel condenser reactive compensation is installed in rural network line;

从农网线路上装设并联电容器进行无功补偿时，计算补偿电容器容量，作出经济上的比较合理分配；

At last, the author introduced the program for distribution network line loss system.

本文最后对开发的配电网线损分析软件做了介绍。

Principles of calculation and analysis of network line losses

电力网电能损耗计算分析中的几项功能设计

Influence of Rural Network Line Reactive Compensation and Utilization Mangement on Reduction Line Loss

农网线路无功补偿和用电管理对降低线损的影响

Research on a theory system for analyzing distribution network line loss based on GPRS

一种基于GPRS的配电网线损理论分析系统的研究

Distribution Network Line Loss On-Line Monitoring and Analysis System

配电网线损实时监测与分析系统

Calculation and Analysis in Power Network Line Loss Based on Parameter Estimation

基于参数辨识的电力网线损理论计算与分析

SEM results showed that muscle protein can form a uniform complete three-dimensional heat-induced gel under low salt conditions, although the gel network line stout than the control group, the line cross-linked nodes also increased significantly. 3.

扫描电镜结果表明低盐条件下肌肉蛋白也可以形成均一完整的三维热凝胶结构，尽管凝胶网络线要比对照组的粗糙，线上的交联节点也显著增多。

Objective According to development biology, cranial neural crest stem cell ( CNCSC) can differentiate into precursor cells of tooth, jaw and peripheral nerve system, but in vitro study is less reported.

目的分离培养颅神经嵴干细胞，探讨其体外生物学特征，为进一步研究其牙、颌向分化提供细胞来源。

The Experimental Study of Trunk Neural Crest Stem Cell Isolated, Purified and Induced to Differentiating into Schwann Cells

躯干神经嵴干细胞的分离、纯化及其向雪旺细胞分化的实验研究

Conclusion Our study suggested that melanoma is derived not only from the cutaneous chromatophore, but also from the remaining neural crest cell of mucous membrane and mesenchymal tissue.

结论恶性黑色素瘤不仅源于体表皮肤的色素细胞，还可起自粘膜及间叶组织中残留的神经嵴细胞。

Odontoblast-like cell phenotype differentiation of cranial neural crest stem cell in vivo

颅神经嵴干细胞成牙本质样细胞分化诱导的体内实验研究

Ectomesenchyme was an unique structure of vertebrates embryo composed of postmigratory cephalic neural crest cell ( NCC) and its derivatives.

外胚间充质是脊椎动物一个独特的结构，它包含了迁移来的颅神经嵴细胞及其衍生物。