查询词典 back space

A learner can search for the correct starting point ,basing on self-level and the choice of study materials ,the establishment of study goal can be made by his need .In the course of study ,the learner can have a self-reconsideration, have a self-evaluation, and can expand the free space of study activity .

的学习行为起点，学习材料的选择、学习目标的确定由学习者根据自己的学习需要 sSbBwW.cOm 而定，在学习过程中学习者进行自我反思、自我评价，真正扩大了学习者学习活动的自由空间。

In this learning model , in the circumstance of internet , the investigative learning activity of learner is self-antimating ,self-guiding and it must have the definite cognitive inquirment and learning direction ,and it is an internet learning behavior . A learner can search for the correct starting point ,basing on self-level and the choice of study materials ,the establishment of study goal can be made by his need .In the course of study ,the learner can have a self-reconsideration, have a self-evaluation, and can expand the free space of study activity .

WBQ（Web-based Query）学习模式是基于因特网的探究式学习，在这种学习模式下，学习者在网络环境下的探究学习活动是自我驱动、自我引导的，具有明确的认知需要和学习方向，是一种内在的学习行为，学习者根据自身的水平，寻找适当的学习行为起点，学习材料的选择、学习目标的确定由学习者根据自己的学习需要而定，在学习过程中学习者进行自我反思、自我评价，真正扩大了学习者学习活动的自由空间。

The learning model of WBQ bases on the investigative internet study .In this learning model , in the circumstance of internet , the investigative learning activity of learner is self-antimating ,self-guiding and it must have the definite cognitive inquirment and learning direction ,and it is an internet learning behavior . A learner can search for the correct starting point ,basing on self-level and the choice of study materials ,the establishment of study goal can be made by his need .In the course of study ,the learner can have a self-reconsideration, have a self-evaluation, and can expand the free space of study activity .

WBQ（Web-based Query）学习模式是基于因特网的探究式学习，在这种学习模式下，学习者在环境下的探究学习活动是自我驱动、自我引导的，具有明确的认知需要和学习方向，是一种内在的学习行为，学习者根据自身的水平，寻找适当的学习行为起点，学习材料的选择、学习目标的确定由学习者根据自己的学习需要而定，在学习过程中学习者进行自我反思、自我评价，真正扩大了学习者学习活动的自由空间。

Results Chronic nasopharyngitis is mainly showed as shallow infundibuliform recess change, localized or permeable incrassation of nasopharyngeal wall, nasopharynx shape weird with complication sinusitis.Parapharyngeal space compression to slight,general not to accompany otomastoiditis. Structure is integrity of basion, mucosal line is Integrity of mucous membrane of nasopharynx at enhancement scanning.

结果 慢性鼻咽炎主要表现为咽隐窝变浅、鼻咽壁局限性增厚、鼻咽壁弥漫性增厚、局部软组织肿块、鼻咽形态怪异、伴副鼻窦炎等，咽旁间隙受压较轻，一般不伴中耳乳突炎，颅底骨质结构完整，增强扫描鼻咽粘膜线完整。

Every basis of a linear space contains the same number of vectors.

一线性空间的每一基底包含同样数目的向量。

Template and instance can describe the data pattern accessed by program. Template and instance are defined by generation subset of the canonical basis of linear space.

文中首先指出算法的访存模式可用模板和实例来刻画，并用线性空间规范基的生成子集来定义它们。

On the basis of linear intersection in space ,a surveying method of work base points in horizontal removal deformation measurement of Taihe dam is discussed.

基于空间距离三维交会的数学模型，提出针对太河水库大坝水平位移变形监测工作基点进行无角度观测方案，并对监测的精度进行了预计分析，证明此方案不仅经济快捷且合理可行，同时也证明空间距离交会定位取代传统量边、测角定位的可行性。

Basis of a vector space n.

向量空间的基。。

The components and the abstract structure, including the basis and dimension, of the vector space are followed.

然后说明抽象的向量空间的基本架构，包括基底与维度等。

On the basis of the concept of space vector, the basic theory of DTC is analyzed. Also a representative DTC strategy improving operation performance of induction motors, which is called DSVM, is introduced.

在阐述空间矢量概念的基础上，分析了传统两电平逆变器异步电机直接转矩控制的基本原理，并引入了一种典型的直接转矩控制改进算法DSVM。

Objective To investigate the relationship between ovum fertilization rate and sperm morphology, acrosome reaction in IVF and to explore the influence of parameters of sperm on fertilization rate.

目的 研究体外受精(in vitro fertilization，IVF)中精子形态、顶体反应与卵子受精率之间的关系，分析精子各参数在IVF受精率方面的参考意义。

A: I hear Mr. White wants to run for the Presidency!

我听说怀特先生要参加总统竞选！