saw-toothed

Their backs were battleship gray topped with a saw-toothed line of small yellow dorsal fins .

它们的背部是军舰的灰色，最上方是呈锯齿状的黄色背鳍。

Results : the main CT findings in 42 cases were as follow : ( 1 ) 11 cases with rough edge and definite small hairy stabs or saw-toothed change ;

结果：42例孤立结节性肺癌的主要CT表现：11例结节边缘毛糙，有明确小毛刺或锯齿状改变；

The southern coastline is an irregular saw-toothed coast .

海岸南部是一线排开的里亚式海岸，错综复杂。

A digital saw-toothed Wave generator adjustable frequency and amplitude is introduced in the paper , and gives the realizing method as well as actual circuit .

本文针对实际中遇到的具体问题，介绍了一种频率幅度均可调节的数字式锯齿波发生器，给出了实现这种发生器的方法和具体电路。

It shows obvious regularity that saw-toothed chips form as alternating effect of thermal softening and strain hardening , or periodic alternating cracks formation .

由于热软化、应变硬化的交替作用或周期性裂纹的产生，使得锯齿形切屑形成呈现很明显的规律性。

The change of droppings rate was mainly studied by different working angles of gill pin licker-in and saw-toothed licker-in at different working speeds .

就梳针式刺辊梳棉机落棉率进行了实验研究，着重研究了不同工作角度的梳针刺辊与锯齿刺辊在不同速度下梳棉机落棉率的变化情况。

Among microwave parameters , treating time is the most remarkable factor to rice weevil mortality ; and energy density is the most remarkable factor to saw-toothed grain beetle mortality .

在微波参数中，对米象致死率的影响以能量密度最大，其次是时间和能耗。

Study on fiber length distribution of taker-in droppings and card strips Droppings difference between the saw-toothed taker-in and the gill pin taker-in

梳棉机刺辊落棉和盖板花纤维长度分布锯齿刺辊与梳针刺辊落棉差异的研究

The theories of saw-toothed chip include thermal viscoplastic instability theory and periodic brittle fracture theory . The analysis shows that chip formation mechanism of titanium alloy belongs to thermal viscoplastic instability theory .

热（粘）塑性失稳理论和周期脆性断裂理论是关于锯齿形切屑形成的两大理论，分析表明TC4钛合金锯齿形切屑形成属于热（粘）塑性失稳理论。

When the actuator is driven by an asymmetric waveform voltage , such as saw-toothed waveform , it will move according to the dynamic relationship between the maximum static friction force and the inertial force .

执行器在不对称锯齿波电压驱动下利用惯性力与最大静摩擦力之间的动态关系运动。

It is assumed that a periodic modulation of the superlattice is equivalent to its saw-toothed channel . In the small amplitude approximation , the particle motion equation is reduced to the Duffing equation with a hard-spring property by using sine-squared potential .

假设超晶格的锯齿形沟道对粒子的作用可等效为形状相似的周期调制，引入正弦平方势，并在小振幅近似下，把粒子运动方程化为具有硬弹簧特性的Duffing方程。

The characters of ultrasonic gritting and common gritting are put forward through testing stress of gritting in equal conditions , such as the distribution of the pressure of ultrasonic gritting is cyclical and the wave form is saw-toothed , and the average pressure is almost constant .

通过对同样条件下研磨压力的测定，得出超声研磨与普通研磨的磨削力特征不同：超声研磨压力呈周期性分布，波形如锯齿，平均压力几乎为一恒定值，变化非常均匀；