it has的例句大全

It has taken until now to pin down its exact location

直到现在才确定了它的准确位置。

It has become a trend for tax authorities to deliver efficient and high-quality services through electronic channels.

通过建设电子税务平台为纳税人提供高效、优质的纳税服务已成为世界各国税收发展的潮流。

It has become an urgent task for their family, colleges, and the whole society to help them out of poverty and continue to finish their education.

如何正确引导贫困大学生摆脱经济贫困的苦恼，使他们能顺利完成学业，一直是学生、家庭、学校和社会比较关注的热门话题。

It has been considered that the task switching is an important aspect of the central executive function, so the study of conversion process could be used to explore the mechanisms of executive control.

由于转换加工被认为是中央执行功能的一个重要方面，所以对任务转换内在机制的探讨有助于深入理解人类的执行控制过程。

In addition, researchers still have no integrated comprehension for sweetness mechanism because it has no definite structure of the taste receptor protein.

而且，受制于没有得到甜味受体蛋白的确切结构，人们仍然没有完全理解甜味分子的感受机理。

The accumulation time is an important component of car staying time in technical station. It has a great effect on determining the method of organizing wagon flow.

货车集结时间是货车在技术站上停留时间的一个重要组成部分，它对确定车流组织的方法有很大影响。

It has good corrosion and tarnish resistance in vitro. Immersing it in 0.1% Na_2S solution for 60 days, it appears little tarnish only, but still with good lustre.

本合金在0.1%Na2S溶液中浸渍60天，仅有极轻微变色，仍有较好光泽；

Compared with the definite even target distribution form, it has better attacking results.

数值分析表明，顺序攻击目标分配形式有较好的攻击效果。

As a embedded real-time kernel based on task priority, μ C/ OS-II has been mainly used in the minitype embedded application. It has many virtues such as small size, stabile performance and free.

μC/OS-II是面向中小型应用、基于优先级的可剥夺嵌入式实时内核，其特点是小巧、性能稳定、免费公开源代码。

It has been generally accepted that what the radar measures is not the directions of the target, but angular glint errors.

一般认为，雷达事实上并不是在测量目标的方向，而是在测量目标的角闪烁方向。

A prototype adaptive moving target indicator ( MTI) system is developed, built upon DSP chips. It has good adaptive cancellation performance for ground clutter and moving clutter. The measured improvement factor is more than 20 dB in a radar system.

并研制了一种用DSP的自适应MTI系统，该系统对杂波环境有较好的自适应能力，对地杂波及运动杂波有较好的抑制效果，在雷达实测中，改善因子大于20dB。

After technical test it has expressed that such internal heating devices are suitable for the isothermal heating of big forgings.

通过工艺试验表明，内加热装置适用于大型锻件的等温加热。

The method is that the structure of task graph is simplified, and then the tasks are merged one by one. It has reduced the communication cost meanwhile the complete time and complexity of algorithm is low.

算法先简化任务图为join结构图再逐个合并节点任务的方法，实现在保持较低时间复杂度和完成时间的同时，消除了核间通信开销。

It has made China a priority target both for increased sales and industrial co-operation.

由于销售额上升和工业合作加强，该公司已将中国定为它的首选目标。

The main events that happened before birth of the first laser are briefly described in this paper, It has showed the relation between elementary and technical science.

本文概述了第一台激光器诞生之前所经历的主要历史事件，从而揭示了基础理论研究与技术进步的关系。

Also, in the simulation and analysis of vehicle equipped with CVT, the results shows that the Fuzzy adaptive-PI method composite speed ratio control can track the target speed ratio well, it has a good dynamic response and high control accuracy of steady state.

在无级变速器整车仿真中，不同工况下的速比跟踪情况证实模糊自适应-PI复合速比控制能够很好地跟踪目标速比，具有良好的动态响应和较高的稳态控制精度。

Therefore, it has become a new target spot and a new hot point in the treatment of liver fibrosis to inhibit the expression of cytokines such as PDGF, TGF-β 1, etc.

因此，抑制PDGF、TGF-β1等细胞因子表达成为抗肝纤维化治疗的新靶点、新热点。

Target tracking theory is an advanced theory, it has broad application outlook in military field and civil field.

目标跟踪理论是一个比较前沿的理论，在军事领域和民用领域都有着广泛的应用前景。

This kind of price target on efficiency as a means of market-oriented reform is a general trend, it has also become the mainstream of development of the industry trend of water.

这种以价格为目标、以效率为手段的市场化改革是大势所趋，这也成为自来水行业发展的主流趋势。

So, it has started to target the video game market, spending at least$ 180 million ( 1.2 billion yuan) on game development this year alone.

因此，迪士尼开始瞄准电子游戏市场，仅在今年就投资18000万美元（12亿元人民币）在游戏开发上。