进出口总额年均增长15.9%，结构不断优化。
Total import and export volume grew by an average annual rate of 15.9%, and the structure of imports and exports constantly improved.
去年中国初级产品进口增长迅速，出口商品结构进一步优化。
Last year, China's imports of primary products increased rapidly, and the structure of exported commodities was further optimized.
因此，应建立健全农产品的质量与安全标准体系，加强信息沟通，优化出口结构。
Therefore, the system of quality of goods and of safety standards has to be established and communication has to be strengthened and exportation structure optimized.
第二，加快出口商品结构的优化。
Second, we will optimize the composition of export commodities.
出口商品结构逐步优化，机电和高新技术产品出口增长加快。
The structure of export products has been gradually optimized, with a rapid growth in the mechanical and electrical and hi-tech product.
正确合理的评判出口商品结构的优化程度，判断各主要出口行业与出口的真实关联程度，是优化出口商品结构的重要前提和基础。
Its the important foundation to evaluate the degree of optimization of export commodities structure, also the relation on the export industries with the value of export.
在当前的困难时期，我们特别要加速出口商品的结构优化。
During the current time of difficulties, we must pay special attention to optimizing the composition of export commodities.
优化出口产业结构是实现外贸增长方式由粗放型向集约型转变的有效途径。
Optimize and export the industrial structure and realize the growth way of the foreign trade from the extensive effective way that changes to the intensive style.
调整和优化出口商品结构，提高商品质量和附加值。
China will adjust and optimize the mix of export commodities, improve their quality and raise their added value.
从进口和出口的比较看，出口对各产业的拉动作用要大于进口，说明鼓励出口比促进进口更有利于黑龙江省产业结构的优化调整。
Comparing import and export, we find that export plays larger driving role than import, namely, export is more beneficial than import to optimize Heilongjiang industrial structure.
本文是在加入WTO的大背景下，以优化河北省出口商品结构和提升产业结构为主要研究目的。
This paper aims to study optimization of export commodity structure and upgrade of industrial structure in Heibei province under the WTO.
首先，对于多翼离心风机涡流噪声的降噪，主要通过优化叶轮、蜗壳的结构几何参数和在叶轮出口加装旋转扩压器等方式进行。
Firstly, the vortex noise can be reduced mainly through the optimization of the geometric parameters of the impeller and volute and installing a rotation diffuser in the outlet of the impeller.
因此，优化出口商品结构势在必行。
因此，优化出口商品结构势在必行。
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