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  2. Land equivalent ratio - Wikipedia

    en.wikipedia.org/wiki/Land_equivalent_ratio

    Definition. the ratio of the area under sole cropping to the area under intercropping needed to give equal amounts of yield at the same management level. It is the sum of the fractions of the intercropped yields divided by the sole-crop yields. For a scenario where a total of crops are intercropped, the land equivalent ratio LER can be ...

  3. Tit for tat - Wikipedia

    en.wikipedia.org/wiki/Tit_for_tat

    Tit for tat is an English saying meaning "equivalent retaliation ". It is an alteration of tip for tap "blow for blow", [ 1] first recorded in 1558. [ 2] It is also a highly effective strategy in game theory. An agent using this strategy will first cooperate, then subsequently replicate an opponent's previous action.

  4. Addition - Wikipedia

    en.wikipedia.org/wiki/Addition

    Addition (usually signified by the plus symbol +) is one of the four basic operations of arithmetic, the other three being subtraction, multiplication and division. [ 2] The addition of two whole numbers results in the total amount or sum of those values combined. The example in the adjacent image shows two columns of three apples and two ...

  5. Ratio - Wikipedia

    en.wikipedia.org/wiki/Ratio

    The ratio of width to height of standard-definition television. In mathematics, a ratio (/ ˈ r eɪ ʃ (i) oʊ /) shows how many times one number contains another. For example, if there are eight oranges and six lemons in a bowl of fruit, then the ratio of oranges to lemons is eight to six (that is, 8:6, which is equivalent to the ratio 4:3).

  6. Tablet computer - Wikipedia

    en.wikipedia.org/wiki/Tablet_computer

    A tablet computer, commonly shortened to tablet, is a mobile device, typically with a mobile operating system and touchscreen display processing circuitry, and a rechargeable battery in a single, thin and flat package. Tablets, being computers, have similar capabilities, but lack some input/output (I/O) abilities that others have.

  7. Let's Play - Wikipedia

    en.wikipedia.org/wiki/Let's_Play

    Let's Play. A Let's Play ( LP) is a video (or screenshots accompanied by text) documenting the playthrough of a video game, often including commentary and/or a camera view of the gamer 's face. [1] A Let's Play differs from a video game walkthrough or strategy guide by focusing on an individual's subjective experience with the game, often with ...

  8. Sex ratio - Wikipedia

    en.wikipedia.org/wiki/Sex_ratio

    A sex ratio is the ratio of males to females in a population. As explained by Fisher's principle, for evolutionary reasons this is typically about 1:1 in species which reproduce sexually. [ 2][ 3] However, many species deviate from an even sex ratio, either periodically or permanently. Examples include parthenogenic species, periodically mating ...

  9. Law of reciprocal proportions - Wikipedia

    en.wikipedia.org/wiki/Law_of_reciprocal_proportions

    This ratio of 1.19 obeys the law because it is a simple fraction (1/3) of 3.58. (This is because it corresponds to the formula ICl 3, which is one known compound of iodine and chlorine.) Similarly, hydrogen, carbon, and oxygen follow the law of reciprocal proportions. The acceptance of the law allowed tables of element equivalent weights to be ...