英汉双语例句-生物医药大词典

At first, there is fundamental theory, which explains market failures, public goods, externalities and pubic choice.

中文意思：
第一，基本理论，阐述财政学的研究对象、范围，政府政策的评估标准以及实现政策目标的基本方法。

以下为相关句子列表(点击查看，可以看对应的解释）：

	At first, the purpose of cable TV is to have better reception3 in suburban areas.			起初，有线电视的目的是为了改善郊区的收讯。
	At first, the technology of multicastis simply introduced , and then the application of multicast in constructing virtual enterpriseis canvassed.			文中先对组播技术作一个简单的介绍,然后具体讨论组播技术在虚拟企业中的运用。
	At first, the text is segmented to words and converted to a sequence of part-of-speech tags; then based on the POS tags sequence parameters and phrase-break distance information from training, Markov model is used to get the most likely phrase break seque			首先，文本进行分词，并转换为一列由词性标记所组成的序列；然后使用马尔可夫模型，利用人工标注数据库训练词语连接处词性标注序列的概率分布和连接类型序列的距离信息，得到输入的词性标记序列对应的具有最大似然概率的连接类型序列，最后利用后处理规则进行适当的纠错。
	At first, the trainees were awkward in his company.			起初，受训的人跟他在一起的时候很不自在。
	At first, the tubes contained just a plastic rod.			开始时，这些管子里只含有一个塑料棒。
	At first, there is fundamental theory, which explains market failures, public goods, externalities and pubic choice.			第一，基本理论，阐述财政学的研究对象、范围，政府政策的评估标准以及实现政策目标的基本方法。
	At first, they can report their feelings to the bully.			首先，把他们的感受向施「霸凌」者报告。
	At first, they have just one way recording informations.			首先，他们只有一种记下讯息的方式。
	At first, they were being nice.			起初人们只是出于一时的好心。
	At first, this Grand Avenuewas just a dirt road that Jefferson had planted with rows of fast-growing poplar trees.			一开始，这条「重要大道」只是一条泥土路，后来杰佛逊在两旁种植了长得很快的白杨树。
	At first, this paper builds n model of quality-contingent pricing under price-sensitive demand and analyzes the existence of the optimal solution.			本文首先构建了时间敏感需求下的供应链企业交货期相关定价模型，并对模型的最优性进行了分析。