The choices of inertial frame of reference in mechanical problems

  • 力学问题中惯性参考系的选取
  • 来源:互联网摘选更新时间:2026-07-01 16:07:08

  • 重点词汇
  • choicesn.选择( choice的名词复数 );挑选;供选择的东西;入选者;
  • inprep. 在里面;在(某范围或空间内的)某一点;在(某物的形体或范围)中;在…内;在…中;进入
  • ofprep. 关于;属于…的;由…制成;
  • mechanicaladj.机械(学)的;机器的;无思想的;
  • inertialadj.不活泼的,惯性的;
  • frame of referencen.参照系,观点,理论;
  • theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用,指事物或统称的人;用于姓氏的复数形式前,指家庭或夫妇;(指特定用途的事物)足够,恰好;每,一;当前的,本,此;(重读,表示所指的为知名或重要的人或事物)
  • problemsn.问题( problem的名词复数 );疑难问题;习题;思考题;
  • 相关例句
1、

Find* doing sth Daisy found a panda staring at her alarmedly.

戴西发现一只熊猫在惊恐地看着她。

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2、

Eclamptic time and survival time of mice in each group: Compared with the control group, the eclamptic time of the 0.5 g/ kg extract group was longer [ ( 13.03 ± 2.04), ( 15.30 ± 1.55) minutes, P < 0.05];

各组小鼠缺氧惊厥时间和存活时间:与空白组比较,马齿苋0.5g/kg组能明显延长小鼠缺氧惊厥时间(13.03±2.04),(15.30±1.55)min,P

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3、

Results Tens of genes related to cell cycle or apoptosis showed higher expression levels in pre eclamptic placenta as compared to normal placenta.

结果先兆子痫胎盘中与细胞增殖周期调控及凋亡相关的多种基因表达发生了变化,且大多数呈现表达增强。

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4、

Meanwhile, these alkaloids also could effectively reduce the eclamptic ratio of the mice and significantly prolong the convulsion latency.

杜仲雄花水溶性生物碱还能有效降低尼可刹米所致的小鼠惊厥率,延长惊厥潜伏期。

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5、

Radiologic diagnosis of eclamptic encephalopathy

子痫性脑病的影像学诊断

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6、

Methods 15 severe pre-eclamptic women served in a study group and 30 normal pregnant women were allocated to a control group.

方法:取重度子痫前期患者15例作为病例组,正常妊娠30例作为对照组。

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7、

Objective Observing flos daturae's influence on rat's cerebral cortex convulsant threshold to find out whether flos daturae ( FD) has any protective action to the morphosis of epileptic rat's hippocampal neuron.

目的观察洋金花对癫痫大鼠皮层惊厥阈值的影响及对癫痫大鼠海马神经元形态结构是否有保护作用。

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9、

The influences of carbamazepine on GABA_B-R protein expression in brain of PNC-kindled convulsant rats

卡马西平对青霉素点燃癫痫大鼠脑内GABA B受体蛋白表达的影响

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10、

Effects of pentylenetetrazol at sub convulsant and convulsant dose on NMDA receptor subunits in rats

惊厥和亚惊厥剂量戊四唑对大鼠脑内NMDA受体亚单位蛋白表达的影响

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12、

Effects of Convulsant drugs on~ 3H-GABA Binding with GABA_A Receptor in Different Areas of Brain in Mice

不同致惊药物对小鼠不同脑区~3H-GABA与GABA A受体结合的影响

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13、
14、

It suggested that NO might have the endogenous convulsant effect.

提示NO可能有内源性致痫作用。

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15、

The boss is being in Royal spirits just now.

此刻,老板情绪极好。

provided by jukuu

16、

Mind burden gave priority to be down in spirits, it occupied to 31.62%.

心理负担以情绪低落为主,占31.62%。

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17、

But, while she said it, Pearl laughed, and began to dance up and down, with the humorsome gesticulation of a little imp, whose next freak might be to fly up the chimney.

珠儿边说边放声笑着,并且用小妖精的那种调皮样子蹦蹦跳跳着,她的下一步想入非非的行动可能是从烟囱中飞出去。

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18、

He has chosen his place of residence rather to obey the direction of an old humorsome father, than in pursuit of his own inclinations.

他选择了这么一个栖身之地,与其说是出自个人爱好,不如说是为了服从脾气古怪的老父亲的命令。

provided by jukuu

19、

11.6% to 54.0% of them were found with symptoms of neurosis like depression, anxiety, force, humorsome and insomnia.

各种神经症性症状,如抑郁、焦虑、强迫、情绪波动、失眠在被调查者中的发生率为11.6%~54.0%。

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20、

With a devising technique of the narrowband filter, a new design method of the UWB receiver was presented and the demand for design of the filter center frequency and bandwidth also were quantificational given.

利用窄带滤波器设计技术,提出了一种新型UWB接收机设计方法,并定量给出了滤波器中心频率和带宽设计的要求。

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