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Relative to nitrogen topdressing in prophase, it mainly due to retroposition can provide nutrients for the wheat during flowering and grouting. Another way, it can help slow down the decline in leaf area and leaf chlorophyll content and photosynthetic rate during later stage, to meet the nutritional requirements during developmental stage of grains.

结合以往试验结论，本试验推断认为由于追氮时期后移既有利于开花和灌浆阶段养分的需要，同时有利于延缓小麦生长后期有效叶面积、叶绿素含量和光合速率的急剧下降，从一定程度上满足籽粒发育阶段的营养所需。

Meanwhile we measured the skeletal classⅢocclusion and mandibular retrusion patients by traditional cephalometric analysis and the Delaire cephalometric analysis. We discovered the Delaire cephalometric analysis was more accurately and conveniently. This method can help us to understand the cranio-maxillo-facial structure compensatory mechanism of the skeletal classⅢocclusion and mandibular retrusion patients, which can provide reference for diagnosis, project and orthodontic treatment.

同时，传统头影测量方法与Delaire头影测量分析法对骨性Ⅲ类与青少年下颌后缩畸形行测量，发现Delaire头影测量分析法更直观、定量，利于明确骨性Ⅲ类错牙合与青少年下颌后缩畸形颅面骨骼结构补偿机制，更易辅助正畸诊断、设计，也为相应的临床治疗方法改良提供依据。

The requirement here is that chippings exposed at the surface should help to provide adequate skidding resistance.

此处的要求是暴露于表面的碎片应该有助于提供足够的防滑阻力。

The requirement here is that chippings exposed at the surface should help to provide adequate skidding resistance.

这里是chippings要求暴露于表面应该帮助提供足够的滑动阻力。

They should be the people who are always ready to provide you with the effective splendorous insights, notions, ideas and mansions of wisdom and help.

他们应该是谁的人随时准备向他们提供有效的璀璨的见解，观念，思想和智慧，帮助豪宅你。

The spiral CT of three-dimensional SSD and VRT reconstruction provide more clear image on the details of pelvic tumors,which can stereoscopically,easily,understandably display the relationship between the lesion and surrounding structure,and the excisional range,so it can help clinical doctors for accurate diagnosis and making operation plan.

螺旋CT三维表面SSD及VRT图像清晰地显示了术前骨盆肿瘤的细节，以最易理解的形式立体直观地显示了病变及与周围结构的关系及手术应切除的范围，有助于术前正确诊断和制定手术计划，有效地减少术后局部复发。

They were from 40 cities national wide, representing more then 1,500 companies and organizations that covers 25 main industries such as IT, tel-communication, auto, energy, transportation, drugs, foods, real estate, finance and banking, tour and hotel, international trade, education. With the help of our 30,000 information databases, Sunland can provide the clients with effective services in course promoting, seminar organizing.

近40多位美国、英国、德国的国际人力资源与培训专家到会演讲，参加展览的中外培训公司达60多家，听会代表来自全国40多个城市，人数超过2000人，覆盖行业包括：机械、电子、通讯、能源、化工、医药、食品、交通、环保、纺织、农业、房地产、建筑、工程、金融、保险、旅游、外资、咨询、教育等25个领域。

To clarify the mechanism of HSPs action could help to provide theorical basis for the biological therapy of laryngeal cancer.

弄清它们的作用机理，将为HSPs用于喉癌的生物治疗提供理论依据。

Your 'buddies' can provide lots of ideas of different ways to help you learn as well as being sympa- thetic, supportive listeners when the going gets tough.

在你学习不顺利之时，你的伙伴不仅会是同情你、支持你忠实听众，他们也能为你出注意，提供多种方法，帮助你学习。

Unvented and indirectly vented goggles when used properly, can help provide eye protection from splashes, sprays and droplets.

在正确使用的情况下，气密型眼罩，或设计有非直接通气孔的眼罩，能帮助降低眼睛对飞溅物、喷溅物和液滴的暴露。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。