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- Dictionaryperiod/ˈpɪərɪəd/
noun
- 1. a length or portion of time: "he had long periods of depression" Similar
- 2. the interval of time between successive occurrences of the same state in an oscillatory or cyclic phenomenon, such as a mechanical vibration, an alternating current, a variable star, or an electromagnetic wave.
adjective
- 1. belonging to or characteristic of a past historical time, especially in style or design: "an attractive and beautifully modernized period house"
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22 hours ago · head of the King’s Speech on Wednesday, the Government said it will put economic growth at the heart of its legislative agenda. More than 35 bills are expected to be announced as Labour seeks to maintain momentum and define its first 100 days in office as a period of positive progress.
22 hours ago · Theodor Herzl was the founder of the modern Zionist movement. In his 1896 pamphlet Der Judenstaat, he envisioned the founding of a future independent Jewish state during the 20th century. Zionism [a] is an ethnic or ethno-cultural nationalist [1] [fn 1] movement that emerged in Europe in the late 19th century and aimed for the establishment of ...
22 hours ago · Cleavage (breasts) A woman's cleavage. Cleavage is the narrow depression or hollow between the breasts of a woman. The superior portion of cleavage may be accentuated by clothing such as a low-cut neckline that exposes the division, and often the term is used to describe the low neckline itself, instead of the term décolletage.
22 hours ago · Jewellery (or jewelry in American English) consists of decorative items worn for personal adornment, such as brooches, rings, necklaces, earrings, pendants, bracelets, and cufflinks. Jewellery may be attached to the body or the clothes. From a western perspective, the term is restricted to durable ornaments, excluding flowers for example.
22 hours ago · Cats conserve energy by sleeping more than most animals, especially as they grow older. The daily duration of sleep varies, usually between 12 and 16 hours, with 13 and 14 being the average. Some cats can sleep as much as 20 hours. The term "cat nap" for a short rest refers to the cat's tendency to fall asleep (lightly) for a brief period.
22 hours ago · The period between 800 BCE and 200 BCE is the formative period for later Hinduism, Jainism and Buddhism. [139] [140] According to Michaels, the period between 500 BCE and 200 BCE is a time of "ascetic reformism", [141] while the period between 200 BCE and 1100 CE is the time of "classical Hinduism", since there is "a turning point between the ...
Jul 17, 2024 · 文章浏览阅读70次。/ 定义舵机的控制参数 #define SERVO_PWM_PERIOD 20000 // PWM周期为20ms，即50Hz #define SERVO_PWM_MIN 1000 // PWM脉宽的最小值，对应舵机的最低位置 #define SERVO_PWM_MAX 2000 // PWM脉宽的最大值，对应舵机的最高位置 #define SERVO_ANGLE_MIN 0 // 舵机的最小角度 #define SERVO_ANGLE_MAX 180 // 舵机的最大角度。
