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Among used machine learning methods, the gradient descent method is widely used to train various classifiers, such as Back-propagation neural network and linear text classifier. However, the gradient descent method is easily trapped into a local minimum and slowly converges. Thus, this study presents a gradient forecasting search method based on prediction methods to enhance the performance of the gradient descent method in order to develop a more efficient and precise machine learning method for Web mining.However, a prediction method with few sample data items and precise forecasting ability is a key issue to the gradient forecasting search method. Applying statistic-based prediction methods to implement GFSM is unsuitable because they require a large number of data items to model a prediction model. In the contrast with statistic-based prediction methods, GM(1,1) grey prediction model does not need a large number of data items to build a prediction model, and it has low computational load. However, the original GM(1,1) grey prediction model uses a mathematical hypothesis and approximation to transform a continuous differential equation into a discrete difference equation in order to model a forecasting model.

其中梯度法是一个最常被使用来实现机器学习的方法之一,然而梯度法具有学习速度慢以及容易陷入局部最佳解的缺点,因此,本研究提出一个梯度预测搜寻法则(gradient forecasting search method, GFSM)来改善传统梯度法的缺点,用来提升一些以梯度学习法则为基础的分类器在资讯探勘上的效率与正确性;而一个所需资料量少、计算复杂度低且精确的预测模型是梯度预测搜寻法能否有效进行最佳解搜寻之关键因素,传统统计为基础之预测方法的缺点是需要较大量的数据进行预测,因此计算复杂度高,灰色预测模型具有建模资料少且计算复杂度低等优点,然而灰色预测理论以连续之微分方程式为基础,并且透过一些数学上的假设与近似,将连续之微分方程式转换成离散之差分方程式来对离散型资料进行建模及预测,这样的作法不尽合理,且缺乏数学理论上的完备性,因为在转换过程中已经造成建模上的误差,且建模过程仅考虑相邻的两个资料点关系,无法正确反应数列未来的变化趋势。

Both Chinese and English legal discourses have their own lexical features, such as those concerning connectives, diversity of items, repetitions, paraphrases, restatements, and coloring, etc.; syntactically, each has its own conventions of word order, topic-comment relations, structural characteristics; rhetorically, Chinese discourse attaches importance to Qichengzhuanhe or indirectness at the macro-level, and paratactic at the micro-level, as against the English way of being linear or direct at the macro-level, and hypotactic at the micro-level.

法庭口译既具有语用交际属性,也具有法律属性,因此法庭口译人员在进行口译实践时不能仅满足于割裂上下文和语境的局部性字面意义传译(semantic translating / interpreting --- local),而应当把法庭提问者和法庭答问者的互动性话语看作是一个依赖和利用上下文及有关情景因素的整体性的语用行为,努力理解并传译其中的整体含义( pragmatic translating / interpreting --- global )。

Local is a great place to find local maps, business listings, restaurant reviews, events, and other local items of interest.

当地是一个伟大的地方,找到当地地图,让企业名单,餐厅评语,活动,和当地其他项目的利益。

Local is a great place to find local maps, businesslistings, restaurant reviews, events, and other local items of interest.

当地是一个伟大的地方,找到当地地图,让企业名单,餐厅评语,活动,和当地其他项目的利益。

Article 11 Statistical investigations include state statistical investigation items, departmental statistical investigation items and local statistical investigation items.

第十一条统计调查项目包括国家统计调查项目、部门统计调查项目和地方统计调查项目。

We prefer Chinese local items and visit places of interest and experience Shanghai food like what you did when you were in Malaysia.

雪梨好,很高兴你给我回信,中文的,我找了别人帮我翻译吉米,我,我们的2孩子会在3月8日之3月12日去上海。

The new restaurant would need to buy a great deal of food and produce from local markets and supplies like furniture, cooking utensils, and everyday items from local merchants.

新餐馆会需要从本地的市场购买大量的食物和产品,也要向本地的商人购买家具、厨房用具及每天所需的杂项。

Where the people's governments at or above county level, in accordance with the need of local social economy development, establish the items of local meteorological cause, the investment is mainly bore by local finance.

县级以上地方人民政府根据当地社会经济发展的需要所建设的地方气象事业项目,其投资主要由本级财政承担。

Buy nutritious items that are cheaper by selecting unbranded items, buying in bulk, purchasing local and seasonal items, including frozen items, and replacing meat with beans.

买营养项目选择unbranded便宜,买散装物品,购买当地和季节性商品,包括速冻项目、肉和豆类。

Brasserie Flo incorporates local items into its menu.

福楼吸纳了很多本地食材到他们的菜单上。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力