The present paper using upper and lower solutions,proves an existence theorem of almostperiodic solutions for integrodifferential systems.
采用上下解方法，给出了一个积分微分系统概周期解存在的一般性定理。
| 单词 | upper and lower |
| 释义 |
upper and lower
英语例句库
The present paper using upper and lower solutions,proves an existence theorem of almostperiodic solutions for integrodifferential systems. 采用上下解方法，给出了一个积分微分系统概周期解存在的一般性定理。 The shoulderbeam is a joint point between the upper and lower part of polystyle columns.Based on its mechanical analysis,the shoulderbeam is simplified to an elastic hinge with angle stiffness. 肩梁是多肢柱中上下柱的连接节点，根据其受力特点，在建立力学模型时，将它简化为具有角刚度的弹性铰。 Objective: To explore the effects of upper and lower spinal nerve roots anastomosis on prevention of the axotomy-induced neurons atrophy and apoptosis of adult rats after spinal cord injury (SCI). 探讨损伤区上下神经根吻合对防止成鼠脊髓轴突损伤后引起神经元萎缩和凋亡的作用。 Antennae of B. tabaci are made up of scapus, pedicle and flagella that the latter consist of 1-5 segments and most of the antennal sensilla lie on its outer, upper and lower surfaces. 扫描电镜观察结果表明，烟粉虱触角由柄节、梗节和1～5节鞭节组成，绝大部分触角感受器分布在触角的背面、腹面和外侧面。
原声例句
VOA Special 2015年11月合集 It consists of an upper and lower house. 立法机关是由上议院与下议院组成。 VOA常速英语_美洲 States along the river are grouped into an upper and lower Basin. 沿河的各州被分成上、下两个盆地。 双语版 TED-Ed 演讲精选 ALS affects two types of nerve cells called the upper and lower motor neurons. ALS影响两种类型的神经细胞，称为上下运动神经元。 PBS趣味科普 And (unless you're super emo) we are terrible at reading upper and lower case. 而且（除非你超级厉害）我们很不擅长阅读大写和小写混在一起的单词。 WIL生活启示录 Developed in 1966, the general goal of orthotropics is to guide the the upper and lower jaws to grow forwards. 正交异性治疗方法于1966年问世，它的理念是帮助下巴的上部和下部骨骼向前生长。 侏罗纪搏击俱乐部 Unlike the modern sperm whale, the fossil one had large, fully functional teeth both on the upper and lower jaws. 与现代抹香鲸不同，这副化石的主人在其上下颌都有巨大，实用的牙齿。 科学60秒 2017年3月合集 Entomology's okay for giving you upper and lower limits within five to seven days, but beyond that, entomology's not helpful. “昆虫学时间上下限为5到7天，但是除此之外，昆虫学用处不大。” Space – Verge Science So right, left, upper and lower. 所以右，左，上，下。 VOA Special 2012年11月合集 The upper and lower houses of parliament must consider the bill. 议会上下两院必须考虑该法案。 阿尔伯塔大学-恐龙古生物学 Teeth can be found in the upper and lower jaws. 牙齿可以在上颌和下颌中找到。 PBS地球-动物趣闻 The scan revealed impressions of cartilage that formed both the upper and lower jaw. 扫描显示形成上颌和下颌的软骨印记。 医学英语词汇基础 Anatomically, the respiratory system can be divided into upper and lower sections. 在解剖学上，呼吸系统可以被分为上和下两部分。 VOA Special 2013年5月合集 Nils Bohlin recognized that both the upper and lower body needed to be held securely in place. Nils Bohlin 认识到上半身和下半身都需要牢固固定。 里奇大叔带你欧洲行 The cobra is wearing the crowns of upper and lower Egypt as well as the ankh, symbol of life. 眼镜蛇头戴上埃及和下埃及的王冠以及象征生命的十字章。 未来世界建设 A new study claims that Miami Beach Key West in the upper and lower keys could soon be underwater. 一项新的研究称，位于上键和下键的迈阿密海滩基韦斯特可能很快就会被淹没。 未来世界建设 Each was originally planned to contain a mix of shops, upper and lower class housing and a central garden. 每个最初都计划包含商店、上层和下层住宅以及一个中央花园。 PBS地球-动物趣闻 Like all rodents, Castoroides had big incisors on its upper and lower jaws that never stopped growing. 像所有的啮齿动物一样，Castoroides 的上下颌都有大门牙，并且从未停止生长。 中级英语短文 During the torch relay, some people with disabilities will use upper and lower limb assisted exoskeleton robots to help them carry the torch. 在火炬传递过程中，一些残疾人会使用上下肢辅助外骨骼机器人来帮助他们携带火炬。 BBC随身英语（官网版） The ideal password should be at least eight characters long, and contain upper and lower case letters, symbols and numbers. 理想的密码长度至少应为八个字符，并包含大小写字母、符号和数字。 物种起源 Several cases are on record of the same species presenting varieties in the upper and lower parts of the same formation. 有几个案例记录了同一物种在同一地层的上部和下部出现变种。 |
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