心算

What if he did not know how he might be interested in it abacus?

如果他什么也不知道，他怎么可能对珠心算有兴趣呢？

During these steps, some digits are selected for specific roles (e.g., first addend) in the addition operation, while the others are held in working memory, but not used in the current operation.

在这些心算步骤中，每个时刻只有一些数字被特殊地选择用于加法运算的被加数，而其他的数字则仅仅保存在工作记忆中并不用于当前操作。

The study explored how the two intervening methods,relaxation training and inactivity,influenced Heart-Rate variabilityunder mental arithmetic,and the difference among healthy people,depression patients with anxiety and depression patients without anxiety in terms of HRV.

探讨分别以放松训练和静坐两种干预方式对抗心算对抑郁症患者心率变异性的影响，以及正常人、单纯抑郁症患者和伴焦虑症状的抑郁症患者在心率变异性上的差异。

Compared with NC, schizophrenia patients showed decrease in mental arithmetic with eyes closed and number cancellation test.

正常组和精神分裂症组心算和数字划消测试中的D2分别为(4.49±0.60)υs (3.14±0.75)和(5.01±0.71)υs (4.51±0.75)(P.05， P.01)。

IE 7 has a little quirk of it's own not respecting bottom margin on children inside floated objects.

在非洲买东西付款时，当地人敲半天计算器，还不如我的心算来得快、来得准确。

He is known for familiar results in elementary geometry; for example, the Euler line through the orthocentre (the intersection of the altitudes in a triangle), the circumcentre (the centre of the circumscribed circle of a triangle), and the barycentre (the "centre of gravity," or centroid) of a triangle.

他作了很大努力来发展一个较完整的月球运动理论，它由於包含了三体问题而特别困难；在1753年发表的部分解答曾帮助了不列颠海军部对月球表的计算。1772年，通过艰钜的心算完成了他的关於月球运动的第二种理论。

The results indicated:1 Some cognitive performances decreased obviously with age,such as symbol-digit, visual digit span, auditory digit span,pairedassociation learning,free recall of picture and recognition of meaningless figure But other cognitive performances did not decrease with age, such as picture classific...

结果表明：（1）一些作业（符号数字、视觉数字广度、听觉数字广度、词对联想学习、图象自由回忆和无意图形再认）成绩随年老明显下降，另一些作业（图象分类、卡片分类、心算和矩阵填图）成绩不随年老明显降低；（2）再次验证心算、符号数字、数字鉴别和计数四项非词语性作业速度随年老进行性减慢。

A large set of regions in the frontal and parietal cortices was activated during mental calculation.

总体上，额叶和顶叶在心算活动中起着重要作用，而任务难度和年龄对心算加工时脑活动的影响以额中回区最为明显。

While bilateral area lying along the intraparietal sulcus showed decreased activity during arithmetic with disruption, which might be related to the impaired arithmetic processing in dual task.

反之，双侧沿顶内沟区在心算受到干扰后的激活却显著弱于无扰时的激活，这或许是由加干扰后无法很好地完成心算造成的。

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建校以以来，我校为河南省，南阳市珠心算事业的发展起到了巨大作用，为珠心算在南阳地区的推广做出了功不可没的贡献。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。